How to Buy Stocks: A 4-Step Guide to Start Investing

One woman teaching another how to buy stocks by looking at a stock chart on a laptop

(Image credit: Getty Images)

last updated 17 June 2025

Knowing how to buy stocks continues to be a growing skill set.

The Gallup organization conducts an annual poll asking Americans about their investments. Gallup has surveyed U.S. adults age 18 and older living in all 50 states and the District of Columbia since 1998.

The most recent poll was conducted by telephone from April 1 to 14, 2025.

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Gallup found that of approximately 2,000 people surveyed, 62% had money invested in the stock market. That's steady with a year ago and matches the level of stock ownership in April 2008. Stock ownership peaked in April 2007 at 65%.

In terms of age groups, 44% of those from ages 18 to 29 invested in the stock market. Americans from the ages of 50 to 64 have the highest rate of stock ownership at 72%.

Fortunately, the advent of fractional investing and exchange-traded funds (ETFs) has made it easier than ever to invest in stocks.

Remember that time in the market (PDF) — as opposed to timing the market — has the most significant influence on your long-term returns. The earlier you start, the more likely you'll reach your long-term goals.

No matter your situation, here are four critical steps to take when learning how to buy stocks.

How to buy stocks: Determine your investment plan

While it's great to think about finding tenbaggers (stocks that gain 10 times your initial investment) for your portfolio, it should wait until you've thought about the bigger picture.

It helps to first identify the long-term goals for your investing plan, the dollars required to achieve these goals and the risk you're willing to take in pursuit of them.

There are many ways to set investment goals. However, dividing them into short-, medium- and long-term periods is the simplest.

Short-term goals could be anything you'd like to achieve within the next year; medium-term goals could be those to achieve over the next five years; and long-term goals are those farther down the road, say retirement, at age 60, 65 or whatever suits you.

Everyone's plan will be different. We'll focus on the long-term goals of a 25-year-old looking to retire at 65, providing approximately 40 years of earned income.

According to a July 2024 Charles Schwab survey of 1,000 people with 401(k) plans, the respondents said they would need $1.8 million (PDF) to retire.

Based on 40 years to get to this figure and an average annual return of 9.9% (dividends reinvested) for the S&P 500 in the past 30 years, you would need approximately $41,244.

A new grad is unlikely to have this initial amount. However, if you invested $1,000 today and made annual contributions of $3,750 in the next 40 years, time and compounding would allow you to get close to your $1.8 million goal.

With your goals in hand, you're nearly ready to buy stocks.

How to buy stocks: Find a broker

To buy stocks, you need to open a stock market account and place an order through a stockbroker.

These institutions are regulated by FINRA, the Financial Industry Regulatory Authority, a government-authorized not-for-profit organization whose sole role is to ensure that the broker-dealer industry operates fairly and honestly.

There are generally two types of stockbrokers: Full-service investment advisers and discount/online brokers.

Full-service investment advisers are professionally licensed to provide investment advice on behalf of the stock brokerage they work for.

They either charge a percentage of the assets they manage or commissions for trades made to buy or sell stocks and other investment products.

The latter uses online technology to buy and sell stocks and other products on your behalf. They generally provide these trading services at low or even zero-fee commissions.

Four of the best online brokers, according to Investor's Business Daily and its polling partner TechnoMetrica Market Intelligence, are Ally Invest, Fidelity Investments, Charles Schwab and Merrill Edge.

How to buy stocks: Select and research stocks to buy

For many investors, ETFs provide a low-cost and easy way to invest in stocks across themes, regions, company sizes, investment styles, etc.

At the same time, one of the best ways to find stocks to buy is to look through the holdings of ETFs.

For example, if you believe free cash flow generation is an essential attribute for stocks in your portfolio, you'll want to check out the Pacer US Cash Cows 100 ETF (COWZ).

This exchange-traded fund screens the Russell 1000 index for companies with the biggest free cash flow yields. Names in the top 10 currently include integrated energy producer Marathon Petroleum (MPC) and ride-hailing service provider Uber Technologies (UBER).

With approximately 5,700 stocks to buy listed on the New York Stock Exchange and the Nasdaq, it's critical to do your research and choose stocks that align with your investing goals.

How to buy stocks: Place the order

By now, you've done all the work and preparation necessary to own stocks. It's time to buy some.

There are three order types: market; limit; and stop. Each of these orders is used in a specific situation.

Investors use a market order to ensure they buy a particular stock at a specific time without regard to price.

The downside is that you might pay more than you expected in a fast-moving bull market or, if you're selling, get far less than expected in a fast-moving bear market.

A limit order restricts the price you're willing to pay on a buy and the price you're ready to accept on a sale. For example, if you put in a limit order to buy Stock A for $30, it could be filled at $29.95, but not $30.05.

The inverse is true for selling a stock. You put in a limit order to sell Stock B for $30; it could be filled at $30.05, but not $29.95. Investors use limit trades to ensure price certainty for buy or sell transactions.

A stop order is used to buy or sell a stock at the market price once it hits your specified price.

In the above example, if Stock B is trading at $30, and you place a stop order to buy at $32, once it hits $32, a market order is placed to buy.

Conversely, if you place a stop order to sell at $28, and it's trading at $30, a market order is placed as soon as it falls to $28. Investors use stop orders to ensure the price doesn't get away from them on the upside or downside.

With these definitions in mind, you're ready to start investing in the stock market.

Will has written professionally for investment and finance publications in both the U.S. and Canada since 2004. A native of Toronto, Canada, his sole objective is to help people become better and more informed investors. Fascinated by how companies make money, he's a keen student of business history. Married and now living in Halifax, Nova Scotia, he's also got an interest in equity and debt crowdfunding.