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The 7 Stock Market Basics Every Beginner Should Know

Learn these stock market basics, and you’ll be well on your way to making smart investment decisions. Keep reading to learn more.

stock-market-basics

Whenever we learn something new, there are always core principles that make everything else possible. These are the basics. When we learn to read, we start with the alphabet. When we learn to drive, we first find the mirrors and the brake pedal. And when we learn to invest, there are stock market basics that can save us time, stress, and money.

Everyone wants to know what the next “hot stock” is—the one that could turn them into a millionaire overnight. While stories like that exist, they’re rare. For every overnight success, there are countless heartbreaks. The truth is, building wealth through investing is much more about steady, long-term growth than chasing short-term hype.

We’d love for you to land a once-in-a-lifetime winner, but what we really want is to help you avoid costly mistakes and become a confident, consistent investor. The stock market can be exciting, frustrating, and everything in between. But with a few foundational basics under your belt, you can keep your risk manageable and still aim for strong returns.

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The Building Blocks

Let’s start with the essentials. There are many ways to invest—stocks, ETFs, mutual funds, bonds, options, even crypto. For now, let’s stick with stocks: when you buy a stock, you’re buying a small piece of a company. As the company grows and its stock price rises (or falls), your investment moves with it.

To get started, you’ll need a brokerage account. Today, you have plenty of choices: user-friendly investing apps, full-service online brokers, and platforms with advanced tools for research and trading. Many offer commission-free trading, fractional shares, and zero account minimums.

Buying or selling a stock is as simple as entering the ticker symbol, choosing the number of shares (or dollar amount if buying fractional shares), and hitting submit. Easy enough. But successful investing isn’t about chasing every up-and-down tick. It’s about making informed decisions. Here are the core basics every investor should understand before diving in.

7 Stock Market Basics You Should Never Skip

  1. Don’t be afraid of ETFs.
    ETFs—exchange-traded funds—let you invest in a basket of stocks with a single purchase. Some track broad indexes like the S&P 500, while others focus on sectors like renewable energy, AI, or healthcare. While ETFs may not deliver the same explosive gains as individual stocks, they offer built-in diversification and often pay dividends. They can be a safer entry point for beginners.
  2. Don’t be afraid of individual stocks, either.
    Owning shares of individual companies can be rewarding. Over the last decade, stocks like Nvidia (NVDA) and Apple (AAPL) have created enormous wealth for investors who stuck with them. But there are risks too—plenty of once-promising companies have underperformed or declined. The key is research, discipline, and avoiding “all-in” bets on one name.
  3. Check the stock’s history.
    A company’s past performance doesn’t guarantee the future, but reviewing its stock chart can help you understand how it reacts to market conditions. For example, many travel and airline stocks cratered in 2020 during the pandemic, then rebounded as demand returned. A five- or ten-year chart provides helpful context on a company’s resilience.
  4. Read the financials.
    This doesn’t have to be intimidating. Financial reports can quickly tell you whether a company is growing revenue, generating profits, or drowning in debt. Many brokers provide easy-to-read summaries with key metrics like earnings per share (EPS), cash flow, and debt levels. You don’t need to be an accountant—just focus on the big picture of whether the company is financially healthy.
  5. Remember: the market doesn’t care about you.
    This is one of the hardest lessons to accept. The market doesn’t reward enthusiasm or gut feelings. A popular stock trending on social media may not have real business fundamentals behind it. Emotional investing—whether it’s FOMO (fear of missing out) or panic selling—usually leads to mistakes. The market responds to earnings, growth, and investor sentiment at scale, not individual hopes.
  6. Diversify, diversify, diversify.
    Diversification spreads risk. If one stock tanks, others can balance it out. ETFs help, but you should also think about diversification across sectors (tech, healthcare, energy, consumer goods) and even asset classes (stocks, bonds, cash). Imagine your portfolio as a garden: if one crop fails, the others can still thrive. Don’t plant only one.
  7. Practice patience.
    Investing is a long game. A great company may not skyrocket in weeks or even months—but over years, steady growth compounds into serious wealth. That doesn’t mean holding losers forever, but it does mean avoiding the trap of selling solid investments too quickly. As Warren Buffett famously says, “The stock market is a device for transferring money from the impatient to the patient.”

Getting started in the stock market doesn’t have to be overwhelming. By learning and sticking to these basics, you’ll be miles ahead of most beginners who jump in blind. With patience, diversification, and a commitment to making decisions based on facts rather than feelings, you’ll put yourself in a position to grow your wealth steadily—and avoid those “heartbreak” investing stories.

The good news is that you don’t have to do any of this alone. Browse our website for valuable investing tips and lessons, sign up for our daily emails, download some of our free reports, or explore our premium advisories, where we give you detailed advice on investing to meet your goals.

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*This post has been updated from a previously published version.

Chris Preston is Cabot Wealth Network’s Vice President of Content and Chief Analyst of Cabot Stock of the Week and Cabot Value Investor .