By
Nikita Bundzen Head of North America Fixed Income Department
Updated October 24, 2024
What Is the Stock Market?
The stock market refers to the platform where buyers and sellers come together to buy and sell stocks. It's a marketplace where various financial instruments, such as shares of stock, are bought and sold. In the United States, one of the most well-known stock exchanges is the New York Stock Exchange (NYSE). Stock markets play a crucial role in the world of finance, facilitating the trading of stocks, which represent ownership in publicly traded companies. These exchanges operate as primary and secondary markets, where investors may buy and sell stocks, either for the short term or long term. The stock market serves as a vital component of the financial system, helping companies raise capital and offering opportunities for individuals and institutions to invest in a variety of assets.

How the Stock Market Works
The primary market serves as the birthplace of securities, where companies introduce their shares to the public through an Initial Public Offering (IPO). In an IPO, a company issues shares to the public for the first time, thereby making them available for purchase. This process enables the company to raise capital by selling a portion of its ownership to investors.
On the other hand, the secondary market, often represented by stock exchanges, is where these shares, along with thousands of other stocks, are actively bought, sold, and traded on a daily basis. This is where the supply and demand for these shares determine their prices.
In the secondary market, various investment strategies are employed. Day trading, as the name suggests, involves rapidly buying and selling the same shares within a single day. Day traders aim to capitalize on minor price fluctuations, sometimes executing trades that last only minutes or even seconds. Their goal is to profit from these short-term price movements.
In contrast, long-term investing involves holding shares for more extended periods, with investors expecting to benefit from the company's sustained growth in earnings and overall performance. This approach is geared towards capitalizing on a company's long-term potential rather than short-term price changes.
The stock market serves two crucial functions. Firstly, it enables companies to raise capital from the public by offering shares for sale. The funds generated from these stock sales can be utilized to finance various aspects of their business, such as research, development, expansion, or debt reduction.
Secondly, the stock market provides investors with an opportunity to participate in a company's profits. Investors can profit from their stock ownership in two primary ways:
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Dividend Income. Some stocks distribute regular dividends, which are fixed amounts of money paid to shareholders at scheduled intervals. These dividends offer investors a consistent income stream, giving them a return on their investment.
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Capital Gains. Investors can also earn returns through capital appreciation, which occurs when the stock price increases. As the share price rises, the value of the investor's holdings also increases, allowing them to sell their shares at a profit when the market conditions are favorable.
Types of Stock
Stocks are divided into two primary categories: common shares and preferred shares. These equities represent ownership in a company, and while both have value, they differ in several key ways.
Common Stock Shares
Common stock shares provide purchasers, often referred to as shareholders, with a residual claim on the company and its profits. Common shares offer investment growth potential through capital gains and dividends.
Preferred Stock Shares
Preferred stocks are another type of shares, often referred to as preference shares. In contrast to common shares, preferred shares typically do not offer significant market appreciation in value or voting rights within the corporation.
These variations in voting rights ensure that certain shareholders have a more significant influence on the company's decisions, regardless of the number of shares they hold. It's important for investors to be aware of these distinctions when considering investments in different types of stocks.
Stock Market Players
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Traders are individuals or entities that buy and sell various financial instruments, including stocks, bonds, commodities, and currencies. They may work for financial institutions or trade independently. Traders aim to profit from short-term price movements and trends. They employ different strategies to manage risk and maximize returns, often utilizing market analysis and research.
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Index providers are firms that create and calculate indices used to track the performance of securities and markets globally. These indices serve as valuable benchmarks for financial professionals and investors, guiding their investment decisions and financial planning. Index providers license their indices as the basis for passive investment products, such as index mutual funds and ETFs.
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Market Dealers (Market Makers). Market dealers, also known as market makers, execute buy and sell orders to profit from the spread, which is the difference between bid and ask prices. They enhance liquidity in the market and seek to maximize profit by facilitating transactions at different prices. Market dealers are involved in various securities, including stocks, bonds, commodities, and currencies.
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Public corporations are companies whose shares are publicly traded on stock exchanges. They achieve this status by offering shares to the public through an initial public offering (IPO). Public corporations distribute ownership among investors through publicly-traded stock shares. Going public enables these companies to access equity and debt markets, making it easier to raise capital for future growth.
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Regulators are responsible for implementing and enforcing laws that govern public corporations, investors, and traders. These regulatory bodies, whether independent organizations or government agencies, aim to control fraud, limit conflicts of interest, promote fairness, and establish mutually beneficial standards and business practices for all market participants. Their enforcement of regulations helps instill confidence in financial markets.
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Stock exchanges are platforms where various market participants, including traders, portfolio managers, and individual investors, can buy and sell securities. These securities encompass shares of public company stock, bonds, and other financial instruments. Stock exchanges exist worldwide, providing companies with a means to raise capital, while also promoting transparency and openness in market activities.
Stock Market Indexes
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Aggregated Price Movements. Stock market indexes are created by aggregating the prices of various individual stocks. The movement of an index is a reflection of the net effect of the price changes of its component stocks. Essentially, they provide a snapshot of how a specific group of stocks is performing.
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Major Stock Market Indexes. Two of the most well-known stock market indexes are the Dow Jones Industrial Average (DJIA) and the S&P 500. These indices are frequently used as benchmarks for the broader market.
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Dow Jones Industrial Average (DJIA). The DJIA is a price-weighted index consisting of 30 large American corporations. However, it has limitations because of its weighting scheme and the relatively small number of stocks it includes. This makes it less representative of the overall stock market's performance.
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S&P 500. The S&P 500 is a market-cap-weighted index that tracks the performance of the 500 largest companies in the United States. As a result, it is often considered a more accurate indicator of the stock market's overall health due to its broader scope.
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Diverse Range of Indices. Stock market indices can be broad, like the DJIA and S&P 500, or specific, focusing on particular industries or market sectors. For example, there are indices that track technology stocks, healthcare companies, or even specific commodities.
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Trading Indices. Investors can gain exposure to indices indirectly through financial instruments like futures contracts or exchange-traded funds (ETFs). ETFs are particularly popular as they allow investors to trade indices much like individual stocks on stock exchanges.
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Market-Cap Weighted Indices. Most market indices are market-cap weighted, meaning that the weight of each index constituent is proportional to its market capitalization. This approach gives more significant representation to larger companies in the index. The S&P 500 is a prime example of a market-cap-weighted index.
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Widely Watched Indices. In addition to the DJIA and the S&P 500, various other indices are closely monitored in the U.S. and globally. These include the Nasdaq Composite, Russell Indices (Russell 1000 and Russell 2000), TSX Composite in Canada, FTSE Index in the UK, Nikkei 225 in Japan, Dax Index in Germany, CAC 40 Index in France, CSI 300 Index in China, and the Sensex in India, among others.
Bull and Bear Markets
The terms "bull" and "bear" markets are often used to describe the overall conditions of the stock market. They indicate whether the market is experiencing upward or downward movements in value. Here's what these terms mean:
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Bull Market. A bull market is a phase in the stock market where stock prices are generally rising over an extended period. It's characterized by optimism, investor confidence, and expectations of future growth. During a bull market, there's a prevailing sense of positivity, and investors are more inclined to buy stocks with the anticipation of profiting from the upward trend. Bull markets tend to outlast bear markets, and they are associated with economic expansion.
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Bear Market. In contrast, a bear market is a period when stock prices are declining, often over several months. It's characterized by pessimism, fear, and a general sense of negativity. During a bear market, investors may become cautious or even sell their stocks to limit losses. Bear markets are typically associated with economic contractions and can be triggered by various factors such as economic downturns, financial crises, or unfavorable geopolitical events.
Both bull and bear markets are part of the natural market cycle, and they reflect the fluctuations and uncertainties of the financial world. Investors and analysts use these terms to describe the overall market conditions, and they play a crucial role in investment strategies and decisions.
To track these market conditions, various major market indices, like the TSX Composite, Dow Jones Industrial Average (DJIA), S&P 500, and Nasdaq Composite Index, are used. These indices provide a snapshot of how a group of stocks or the market as a whole is performing. When an index rises, it indicates that the average value of the stocks it tracks is increasing compared to the previous trading day. Conversely, when an index falls, it means the average value of the stocks in that index has declined. These indices serve as essential benchmarks for understanding the broader market trends.
Stock Market Volatility
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The Nature of Volatility. Stock market volatility refers to the frequency and magnitude of price fluctuations in the stock market. These fluctuations can be both upward and downward and may occur unexpectedly. Volatility is a natural part of the stock market, and it often results from various economic, financial, and geopolitical factors.
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Day Trading vs. Long-Term Investing. Investors have different approaches to navigating stock market volatility. Day trading, for instance, involves rapidly buying and selling stocks based on short-term price swings. While it can be lucrative for some, day trading is extremely risky and requires a deep understanding of market dynamics. In contrast, long-term investing is a more conservative and historically proven approach to building wealth. For example, the S&P 500, a widely followed index, has historically delivered an average annualized total return of approximately 10% before adjusting for inflation. This demonstrates that, over time, long-term investors have the potential to accumulate wealth steadily.
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Historical Stock Market Returns. It's essential to recognize that stock market returns are not evenly distributed year-to-year. While the historical average return may be around 10%, individual years can show significant variations. Some years the stock market may experience substantial gains, while in other years, it may encounter substantial losses. These fluctuations are, to a large extent, a result of market volatility.
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Staying Invested. One key to investing safely in the stock market is to stay invested through market volatility. Investors often make the mistake of trying to time the market, buying when they believe the market is rising and selling when they anticipate a downturn. However, predicting market movements with precision is notoriously challenging, and trying to time the market can lead to substantial losses. A safer approach is to maintain a long-term investment strategy, holding a diversified portfolio of assets, such as low-cost index funds that track the overall market. By remaining invested through market ups and downs, investors can benefit from the market's historical average returns, even if individual years exhibit volatility.
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Diversification. Diversification is another strategy to mitigate the impact of stock market volatility. By spreading investments across various asset classes and sectors, investors can reduce their exposure to the fluctuations of any single stock or sector. Diversification can help balance risk and potentially enhance long-term returns.
Purposes of the Stock Market
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Raising Capital. The stock market is a critical avenue for companies to raise capital. By going public and issuing shares of their ownership, companies can access financial capital from the public. This capital infusion is typically used for expansion, research and development, infrastructure, and other corporate initiatives. It allows businesses to grow and thrive by selling shares in a public market.
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Liquidity and Quick Transactions. Stock exchanges provide investors with liquidity, allowing them to swiftly and easily buy or sell securities. The ability to trade stocks quickly is a compelling feature of stock market investments. This contrasts with other investments like real estate and other immovable assets, which may lack the same level of liquidity and ease of transaction.
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Economic Indicator. The stock market plays a pivotal role in reflecting and influencing economic activity. Rising stock prices are often associated with increased business investments, and vice versa. A growing stock market is indicative of an up-and-coming economy. It's commonly regarded as a primary indicator of a country's economic strength and development, influencing social mood and sentiment.
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Household Wealth and Consumption. The wealth of households is closely tied to the performance of the stock market. When stock prices rise, household wealth tends to increase, impacting consumer spending and consumption patterns. Higher stock prices can lead to more significant consumer spending, contributing to economic growth.
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Oversight and Stability. Central banks and regulatory authorities closely monitor the stock market to ensure its stability and integrity. This oversight helps maintain financial stability, which is a central objective of central banks. Exchanges act as clearinghouses for transactions, ensuring the safe and efficient delivery of shares and guaranteeing payment to sellers. This minimizes the risk of default for individual buyers and sellers.
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Economic Growth and Prosperity. The stock market's smooth functioning supports economic growth by reducing costs, enterprise risks, and promoting the production of goods and services. By providing a platform for companies to raise capital and investors to grow their wealth, the financial system contributes to prosperity and employment opportunities. Whether a financial system should be predominantly bank-based or market-based is a subject of debate.
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Financial System Stability. Recent global events, including the Global Financial Crisis, have emphasized the importance of examining the structure and stability of stock markets, including market microstructure. A stable stock market is essential for financial system stability and the effective transmission of systemic risk.
Regulation of stock markets
Stock markets are vital components of a nation's financial infrastructure, and their operation is closely monitored and regulated. Most nations have their own stock markets, each of which is subject to regulation by a local financial regulator or monetary authority. In the United States, the primary regulatory body overseeing the stock market is the U.S. Securities and Exchange Commission (SEC) a federal agency that operates independently of the government and without political pressure. The SEC's mission is to protect investors, maintain fair, orderly, and efficient markets, and facilitate capital formation. In the United Kingdom, the Financial Conduct Authority (FCA) regulates the stock market, ensuring that financial markets function well and that investors are protected. European Securities and Markets Authority (ESMA) regulates financial market in European Union area.
Companies listed on stock market exchanges are subject to rigorous regulation, and their operations are closely monitored by the agencies and authorities. This regulation encompasses various aspects of a company's financial reporting, corporate governance, and market conduct, with the overarching goal of maintaining transparency and protecting investors from fraudulent activities.
In addition to regulatory bodies like the SEC, FCA, ESMA and stock exchanges themselves also play a significant role in regulating listed companies. They set specific requirements, including the timely filing of quarterly financial reports and the immediate reporting of significant corporate developments. These requirements are designed to ensure that all market participants have access to the same information, promoting market fairness.
Compliance with these regulations is crucial, as failure to adhere to them can lead to various disciplinary measures. These measures may include the suspension of trading in a company's shares or other actions aimed at correcting non-compliance.
How to invest in the stock market?
Investing in stock markets offers the potential for long-term financial growth. There are various methods to start investing in stocks, each catering to different levels of investor involvement and expertise. Here's a guide to help you get started:
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Open a Brokerage Account. If you have a basic understanding of investing and prefer to be in control of your investment decisions, you can open an online brokerage account. This allows you to buy and manage stocks yourself. It's a suitable option for those who want to take an active role in their investments.
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Hire a Financial Advisor. If you seek professional guidance and assistance with your financial goals, consider hiring a financial advisor. A financial advisor can help you define your financial objectives and make investment decisions on your behalf, including buying stocks. Financial advisors charge fees, which may be a flat annual fee, a per-trade fee, or a percentage of the assets they manage.
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Choose a Robo-Advisor. Robo-advisors provide a simplified and cost-effective way to invest in stocks. These automated platforms typically invest your money in diversified portfolios of Exchange-Traded Funds (ETFs) and manage the portfolio for you. Robo-advisors are generally less expensive than traditional financial advisors but lack the personal touch of human advice. They are ideal for hands-off investors looking for a straightforward approach to stock market investing.
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Use a Direct Stock Purchase Plan. If you prefer to invest in individual stocks, many blue-chip companies offer direct stock purchase plans (DSPPs). These plans allow you to purchase their stock directly from the company. DSPPs often offer commission-free trades for buying shares, although they may have fees when you sell or transfer your shares. This method is suitable for those interested in owning specific company stocks.
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Monitor Fees and Expense Ratios. Regardless of the investment method you choose, it's crucial to be aware of associated fees. When investing in stocks, you may incur fees for buying and selling stocks, account management, and other services. Additionally, if you invest in mutual funds or ETFs, pay attention to expense ratios, as they can impact your overall returns.
Strategies for Stock Market Investing
Investing in the stock market offers numerous strategies, each with its unique approach to maximizing returns or managing risk. Here are some common strategies for stock market investing:
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Fundamental Analysis. Fundamental analysis involves evaluating companies by examining their financial statements found in SEC filings, business trends, and general economic conditions. Investors who follow this strategy focus on the intrinsic value of a company's stock by analyzing factors such as earnings, revenue, cash flow, and management quality. The goal is to identify undervalued stocks with strong fundamentals and long-term growth potential.
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Technical Analysis. Technical analysis, in contrast to fundamental analysis, revolves around the study of price actions in markets. It uses charts and quantitative techniques to forecast price trends based on historical performance. This strategy is often used to make short-term trading decisions and doesn't heavily rely on a company's financial prospects. It's rooted in understanding market psychology and identifying trends and patterns in stock prices.
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Trend Following. The Trend Following method is a technical strategy that involves following established price trends. Traders who utilize this approach, like John W. Henry and Ed Seykota, use price patterns and employ risk management and diversification techniques. The primary goal is to capture profits by riding the momentum of trends, whether upward or downward.
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Passive Index Funds. Passive investing involves holding a portfolio of the entire stock market or a specific segment of it, such as the S&P 500 Index or Wilshire 5000. This strategy aims to maximize diversification and minimize tax implications. Investors in passive index funds essentially ride the general trend of the stock market over the long term. It's a low-cost, hands-off approach to investing.
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Responsible Investment. Responsible investment places emphasis on a long-term horizon and is based on fundamental analysis. It involves considering the environmental, social, and governance (ESG) factors of investments. This strategy seeks to avoid risks associated with the expected return of the investment and aligns with ethical, sustainable, or socially responsible investment preferences.