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What Are Stocks? How Do They Work?

Parshwa Turakhiya
Written by:
Parshwa Turakhiya
Chinmay Soni
Reviewed by:
Chinmay Soni
Mirjan Hipolito
Fact-checked by:
Mirjan Hipolito
Updated:
July 02, 2026

Editorial Note: While we adhere to strict Editorial Integrity, this post may contain references to products from our partners. Here's an explanation for How We Make Money. None of the data and information on this webpage constitutes investment advice according to our Disclaimer.

Stocks, also known as shares or equities, represent ownership in a company. When you buy a stock, you purchase a small piece of that company, entitling you to a portion of its profits and assets. The price of a stock is influenced by supply and demand, company performance, and broader economic factors. Investors typically buy stocks hoping that the price will increase over time, allowing them to sell at a profit.

Investing in stocks is one of the most powerful ways to build wealth over time. But for many, the stock market remains a mysterious and intimidating realm. This article aims to demystify stocks, explaining their function, advantages, and risks, and providing practical advice for both beginners and advanced traders.

How can a trader or investor use stocksHow can a trader or investor use stocks

What are stocks and how do they work

Stocks represent ownership in a company. When you buy a stock, you purchase a small piece of that company, entitling you to a portion of its profits and assets.

There are two main types of stocks: common and preferred. Common stockholders can vote on company issues and receive dividends, but they are last in line for assets if the company goes bankrupt. Preferred stockholders get fixed dividends and have a higher claim on assets but usually don’t have voting rights.

How do stocks work?

Stocks are traded on stock exchanges, where prices fluctuate based on supply and demand, company performance, and broader economic factors. Investors buy stocks hoping that their value will increase over time, allowing them to sell at a profit or earn dividends.

Why do companies issue stocks?

Companies issue stocks to raise capital. By selling shares to the public, they can obtain funds without taking on debt. This capital can be used for various purposes, such as expanding operations, developing new products, or paying off existing debt.

Are stocks risky?

Yes, stocks can be risky. Their prices can be highly volatile, influenced by market conditions, economic events, and company-specific factors. Stocks offer the potential for high returns, but at the same time they come with the risk of loss of value.

Investors must be prepared for market fluctuations and understand that there are no guarantees of profit. Diversification and thorough research can help manage some of these risks.

How can I buy stocks? Step-by-step guide

To buy stocks, you can follow these simple steps:

  1. Research and choose a stock. Use financial news sites, company reports, and market analysis tools to identify promising stocks.

  2. Open a brokerage account. Choose a brokerage, fill out the necessary forms, and fund your account.

  3. Place a trade. Decide on the number of shares, choose an order type (market or limit), and execute the trade.

  4. Monitor and manage investments. Regularly review your portfolio, track performance, and make adjustments as needed.

For point number 2, this table provides a comparison of the best stock brokers for trading, highlighting their key features, trading platforms, commission fees, minimum deposit requirements:

Best stock brokers
eToro USA Plus500 eOption Revolut Fidelity Optimus Futures

Account min.

50 EUR500 No No No 500

Demo

Yes Yes Yes No Yes Yes

Min. stock/ETF fee

No Not specified $0 £1.00/€1.00 No Not specified

Basic stock/ETF fee

No $0.006 $0 0.12%-0.25% No Not specified

Basic futures fee

Not specified Not specified Not specified No Varies $0.25/$0.75

Min. futures fee

Not specified Not specified Not specified No Varies $0.05

Fractional Shares

Yes No No Yes Yes No

TU overall score

8.8 8.55 8.2 8.69 8.53 8.48

Open an account

Go to broker
Your capital is at risk.
 Go to broker
80% of retail CFD accounts lose money.
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Pros and сons of investing in stocks

Investing in stocks is a popular method for building wealth and achieving financial goals, but it comes with its own set of advantages and disadvantages. Understanding these can help you make informed decisions and manage your investments effectively.

  • Pros
  • Cons
  • Potential for high returns - investing in stocks offers the potential for high returns over the long term. Stocks have outperformed other investment vehicles such as savings accounts and bonds. For instance, the average annual return of the S&P 500 has been around 10% over the past several decades.
  • Ownership and voting rights - when you purchase stocks, you become a part-owner of the company. This ownership often comes with voting rights, allowing you to have a say in major company decisions, such as electing board members and approving significant corporate policies.
  • Liquidity - stocks are highly liquid assets, meaning they can be easily bought and sold in the stock market. This liquidity provides flexibility for investors to quickly access their funds if needed.
  • Dividend income - many companies pay dividends to their shareholders, providing a regular income stream in addition to any capital gains from the sale of the stock. Dividends can be reinvested to purchase more shares, further compounding returns over time.
  • Diversification - the stock market offers a wide range of companies and sectors to invest in, allowing investors to diversify their portfolios. Diversification helps reduce risk by spreading investments across different industries and markets.
  • Volatility and risk - the stock market is known for its volatility, with prices subject to rapid fluctuations due to economic conditions, political events, and company performance. This volatility can lead to crucial short-term losses, making stocks a risky investment compared to more stable assets like bonds or savings accounts.
  • Market timing challenges - successfully timing the market—buying low and selling high—is extremely difficult and often results in poor returns. Even experienced investors can struggle with market timing, leading to potential losses.
  • Emotional investing - the psychological aspect of investing can lead to poor decision-making. Fear and greed can drive investors to buy high and sell low, locking in losses and missing out on potential gains.
  • Lack of control - as a shareholder, you have limited control over the company's operations and decisions. The company's management team makes the strategic decisions, and their actions can significantly impact the stock's performance.
  • Economic and political risks - stocks are susceptible to economic downturns and political instability, which can negatively impact their value. Factors such as inflation, interest rates, and regulatory changes can also affect stock prices and investor returns.

Tips for beginners

  • Understanding basics. Before diving into the stock market, beginners should understand fundamental concepts such as stock types, market orders, and how to read stock quotes. Explore interesting stock market facts that will expand your knowledge and deepen your understanding of market trends, history, and investing strategies.

  • Risk management: Learning how to manage risk is crucial. This includes setting stop-loss orders to limit losses and not investing more than you can afford to lose.

  • Demo trading. Using demo accounts allows beginners to practice trading without risking real money. This helps build confidence and experience.

  • Educational resources. Books, online courses, and financial news websites are valuable resources for learning about stocks. Websites like Investopedia and Khan Academy offer comprehensive tutorials.

  • Starting small. It’s wise to start with a small investment and gradually increase exposure as you gain experience and confidence.

Tips for advanced traders

  • Advanced analysis techniques. Advanced traders use complex technical and fundamental analysis techniques. This includes studying chart patterns, using indicators like MACD and RSI, and analyzing financial statements.

  • Algorithmic trading. Algorithmic trading involves using computer programs to execute trades based on predefined criteria. This can increase trading efficiency and reduce emotional decision-making.

  • Diversification strategies. Advanced traders often employ sophisticated diversification strategies, such as sector rotation and international diversification, to spread risk.

  • Performance metrics. Tracking performance metrics like Sharpe ratio, alpha, and beta helps advanced traders evaluate their strategies and make necessary adjustments.

  • Tax implications. Understanding the tax implications of trading is crucial. Different types of trades and investments have varying tax treatments, and advanced traders need to plan accordingly.

Develop a solid trading plan and stick to it

Anastasiia Chabaniuk
Anastasiia Chabaniuk Educational Content Editor

As an experienced stock trader, my first advice to you is to never forget to do your homework. This means thoroughly researching the companies you're interested in. Understand their business models, financial health, competitive positioning, and growth prospects. Look at their earnings reports, balance sheets, and income statements. Pay attention to industry trends and economic indicators that could impact their performance. Knowledge is power in the stock market, and the more informed you are, the better your investment decisions will be.

Staying emotionally detached from your investments is also critical. The market can be a rollercoaster, and emotional trading is often a recipe for disaster. Develop a solid trading plan and stick to it. Discipline and consistency are key to navigating the market’s highs and lows.

Conclusion

Understanding stocks is fundamental for anyone eager to begin their investment journey. By recognizing that stocks represent ownership in a company and can offer both growth and income, investors are better prepared to make informed decisions. For example, buying shares of an established company like Apple can provide long-term stability, while investing in a fast-growing startup may offer higher potential rewards along with greater risks. Ultimately, the key takeaway is that mastering the basics of stocks empowers individuals to actively participate in their financial futures. Remember, becoming a successful investor starts with a single, educated step into the world of stocks.

FAQs

What factors influence the price of a stock in the market?

The price of a stock is influenced by supply and demand dynamics, company performance, and broader economic factors. Elements such as earnings reports, industry trends, economic conditions, and investor sentiment can all impact how a stock is valued at any given time.

How do common stocks differ from preferred stocks?

Common stocks typically provide voting rights and the potential for dividends, but holders are last in line for company assets if the company goes bankrupt. Preferred stocks, on the other hand, generally do not offer voting rights but pay fixed dividends and have a higher claim on assets if the company is liquidated.

What are some psychological challenges investors face in the stock market?

Investors often contend with emotions such as fear and greed, which can lead to poor decisions like buying high and selling low. The volatility of the market can trigger emotional responses that might result in locking in losses or missing out on gains, highlighting the importance of a disciplined investment approach.

Why do companies choose to issue stocks as a way to raise capital?

Companies issue stocks to raise funds without incurring debt. By selling shares to the public, they can obtain capital to expand operations, develop new products, or pay off existing debt, providing greater financial flexibility.

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Team that worked on the article

Parshwa Turakhiya
Parshwa Turakhiya
Editorial Standards Specialist

Parshwa is a content expert and finance professional possessing deep knowledge of stock and options trading, technical and fundamental analysis, and equity research. As a Chartered Accountant Finalist, Parshwa also has expertise in Forex, crypto trading, and personal taxation.

Learn about our editorial policies
Chinmay Soni
Chinmay Soni
Head of Fact-Checking Department

Chinmay Soni is a financial analyst with more than 5 years of experience in working with stocks, Forex, derivatives, and other assets. As a founder of a boutique research firm and an active researcher, he covers various industries and fields, providing insights backed by statistical data.

Mirjan Hipolito
Mirjan Hipolito
Cryptocurrency and stock expert

Mirjan Hipolito is a journalist and news editor at Traders Union. She is an expert crypto writer with five years of experience in the financial markets.

Glossary for novice traders
Index

Index in trading is the measure of the performance of a group of stocks, which can include the assets and securities in it.

Investor

An investor is an individual, who invests money in an asset with the expectation that its value would appreciate in the future. The asset can be anything, including a bond, debenture, mutual fund, equity, gold, silver, exchange-traded funds (ETFs), and real-estate property.

Diversification

Diversification is an investment strategy that involves spreading investments across different asset classes, industries, and geographic regions to reduce overall risk.

Risk Management

Risk management is a risk management model that involves controlling potential losses while maximizing profits. The main risk management tools are stop loss, take profit, calculation of position volume taking into account leverage and pip value.

Forex Trading

Forex trading, short for foreign exchange trading, is the practice of buying and selling currencies in the global foreign exchange market with the aim of profiting from fluctuations in exchange rates. Traders speculate on whether one currency will rise or fall in value relative to another currency and make trading decisions accordingly. However, beware that trading carries risks, and you can lose your whole capital.

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