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How to Start Investing in Stocks Using a Fundamental Approach

Javier Sanz, Founder & Lead Analyst at ValueMarkers
By , Founder & Lead AnalystEditorially reviewed
Last updated: Reviewed by: Javier Sanz
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How to Start Investing in Stocks Using a Fundamental Approach

how to start investing in stocks — chart and analysis

How to Start Investing in Stocks Using a Fundamental Approach

Learning how to start investing in stocks is one of the most important financial steps you can take. The stock market has created more long term wealth than almost any other asset class, yet many people never invest because the process feels overwhelming. This guide walks you through everything you need to know, from opening your first brokerage account to building a diversified portfolio that matches your risk tolerance and investment goals.

Why You Should Start Investing Early

Time is the single greatest advantage available to investors. Every year you wait to invest in stocks is a year of compound growth you miss. A person who begins saving for retirement in their twenties needs to set aside far less each month than someone who waits until their forties because compound returns do most of the heavy lifting over decades.

The stock market has delivered average annual returns near ten percent over the past century, though individual years vary widely. Short term investments may lose value during downturns, but investors who hold through full market cycles have historically been rewarded. Starting early gives you the runway to ride out those dips and benefit from the long term upward trend.

Setting Your Investment Goals and Risk Tolerance

Before you buy a single share, define what you are investing for. Are you saving for retirement thirty years from now, building a down payment fund, or generating passive income? Your investment goals shape every decision that follows, from the types of securities you choose to the amount of risk you can handle.

Risk tolerance measures how comfortable you are with the possibility of losing money in the short term. A younger investor with decades ahead can afford to hold more stocks because there is time to recover from downturns. Someone approaching retirement may prefer a mix that includes bonds and other stable assets. Being honest about your risk tolerance prevents panic selling during corrections, which is one of the costliest mistakes new investors make.

How to Open an Account and Choose a Broker

The first practical step when you start investing is to open an account with a reputable broker. Most major brokerage services now offer commission-free stock and ETF trades, which means you can buy or sell shares without paying a fee on each transaction. Look for a platform that provides solid research tools, an easy-to-use interface, and strong customer support.

You will typically choose between a standard brokerage account and a tax-advantaged retirement account such as an IRA. A brokerage account offers flexibility because you can withdraw money at any time, while an IRA provides tax benefits that help your investments grow faster when you are saving for retirement. Many investors maintain both types to cover different financial needs.

Once you open an account, fund it by transferring money from your bank. Most brokers accept electronic transfers that settle within a few business days. Start with an amount you can afford to invest without affecting your ability to cover monthly expenses and emergency savings.

Understanding Different Ways to Invest in Stocks

There are several paths you can take when you invest in stocks. Buying individual shares lets you own a piece of a specific company, which can be rewarding but requires more research and carries higher risks of stocks concentrated in a single name. This approach works best for investors who enjoy studying business fundamentals and have the time to monitor their holdings.

Index funds and exchange-traded funds offer a simpler alternative. A fund ETF that tracks a broad market index like the S&P 500 gives you instant exposure to hundreds of companies in a single purchase. These funds keep costs low and deliver returns that match the overall stock market, making them ideal for beginners who want a diversified portfolio without picking individual winners.

Mutual funds work in a similar way but are actively managed by professional portfolio managers who select investments on your behalf. The trade-off is higher fees compared to index funds. Research consistently shows that most actively managed mutual funds fail to beat their benchmark index over the long term, which is why many advisors recommend low-cost index funds as a core holding.

Building a Diversified Portfolio

Diversification means spreading your money across different asset classes, sectors, and regions so that no single investment can cause major damage to your overall returns. A well-built diversified portfolio might include domestic stocks, international stocks, bonds, and perhaps a small allocation to real estate or commodities.

Within the stock portion of your portfolio, aim to hold companies across multiple industries. If one sector struggles, gains in another can offset the losses. A fund that tracks a broad index handles this automatically because it holds stocks from every major sector in proportion to their market value.

Your allocation between stocks and bonds should reflect your investment goals and time horizon. A common starting point is to subtract your age from one hundred and invest that percentage in stocks, with the remainder in bonds. This formula is not perfect for everyone, but it provides a useful framework that shifts your portfolio toward safer assets as you approach retirement.

Using Fundamental Research to Pick Stocks

If you want to go beyond index funds and select individual companies, fundamental research is the foundation of sound stock picking. Start by reviewing the financial statements that every public company files with regulators. The income statement shows whether the business is profitable, the balance sheet reveals its debt levels, and the cash flow statement tells you how much real cash the operations generate.

Pay attention to key ratios like price-to-earnings, return on equity, and debt-to-equity. These numbers help you compare companies within the same industry and determine whether a stock is fairly valued. Combine this quantitative work with qualitative factors like management quality, competitive positioning, and the size of the addressable market to form a complete picture before you buy.

Modern brokerage services provide free research tools that make this process much easier than it was a generation ago. Stock screeners let you filter thousands of companies by the metrics that matter most to your strategy, saving hours of manual work and surfacing opportunities you might otherwise miss.

Common Mistakes to Avoid When You Start Investing

One of the biggest errors new investors make is trying to time the stock market by buying before rallies and selling before drops. Decades of data show that even professional fund managers rarely succeed at market timing over the long term. A better approach is to invest consistently through a strategy called dollar cost averaging, where you put a fixed amount into the market at regular intervals regardless of price.

Another common mistake is letting emotions drive decisions. Fear during downturns and greed during rallies cause investors to buy high and sell low, which is the exact opposite of what builds wealth. Having a written plan that outlines your investment goals, risk tolerance, and target allocation helps you stay disciplined when markets get volatile.

Finally, avoid chasing short term investments or hot stock tips from social media and news outlets. Term investing built on solid research and patience has consistently outperformed speculation. The most successful investors focus on owning quality businesses at reasonable prices and give their investments years to compound rather than weeks to deliver quick profits.

Why how to start investing in stocks Matters

This section anchors the discussion on how to start investing in stocks. The detailed treatment, formula, and worked examples appear in the body of this article above. The points below summarize the most important takeaways for value investors who want to apply how to start investing in stocks in real portfolio decisions. ValueMarkers exposes the underlying data on every covered ticker via the screener and stock profile pages, so the concepts in this article translate directly into actionable filters.

Key inputs for how to start investing in stocks

See the main discussion of how to start investing in stocks in the sections above for the full treatment, including the inputs, the calculation methodology, the typical sector benchmarks, and the most common pitfalls to avoid. The ValueMarkers screener lets value investors filter the full universe of 100,000+ stocks across 73 exchanges using how to start investing in stocks alongside the rest of the 120-indicator composite, with sector percentiles and historical trends shown on every stock profile.

Sector benchmarks for how to start investing in stocks

See the main discussion of how to start investing in stocks in the sections above for the full treatment, including the inputs, the calculation methodology, the typical sector benchmarks, and the most common pitfalls to avoid. The ValueMarkers screener lets value investors filter the full universe of 100,000+ stocks across 73 exchanges using how to start investing in stocks alongside the rest of the 120-indicator composite, with sector percentiles and historical trends shown on every stock profile.

Frequently Asked Questions

How much money do I need to start investing in stocks?

Many brokers allow you to open an account with no minimum deposit, and fractional shares let you invest in stocks with as little as one dollar. The key is to start with whatever amount you can comfortably set aside after covering your essential expenses and building an emergency fund.

Should I invest in individual stocks or index funds?

If you are just learning how to start investing in stocks, index funds offer the simplest path to a diversified portfolio with low fees. As your knowledge grows, you can add individual stock positions alongside your index fund core if you enjoy the research process and accept the added risk.

What is the best brokerage account for beginners?

Look for a broker that offers commission-free trades, strong research tools, and an intuitive mobile app. The best brokerage account for you depends on your specific needs, but platforms with reliable educational resources help new investors build confidence as they learn the fundamentals of the stock market.

What is how to start investing in stocks?

How to start investing in stocks is a fundamental investing concept that helps investors evaluate companies and make more informed decisions. Understanding this concept provides context for analyzing financial statements, comparing companies, and assessing whether a stock is fairly priced. It forms part of the broader toolkit that disciplined investors use to build and manage their portfolios.

How does how to start investing in stocks affect stock prices?

Changes in how to start investing in stocks can influence investor sentiment and ultimately affect stock valuations. When the market perceives a shift in this area, stock prices may adjust to reflect new expectations about future earnings or risk. Long-term investors who understand these dynamics can identify opportunities when the market overreacts to short-term developments.

Why is how to start investing in stocks important for investors?

Understanding how to start investing in stocks helps investors make better decisions about when to buy, hold, or sell stocks. It provides a framework for analyzing companies beyond just the stock price and helps investors avoid common mistakes driven by emotion or incomplete information. Incorporating this knowledge into your investment process leads to more disciplined and data-driven decision-making.


Ready to find your next value investment?

ValueMarkers tracks 120+ fundamental indicators across 100,000+ stocks on 73 global exchanges. Run the methodology above in seconds with our stock screener, or see today's top-ranked names on the leaderboard.

Related tools: DCF Calculator · Methodology · Compare ValueMarkers

Disclaimer: This content is for informational and educational purposes only and does not constitute investment advice, a recommendation, or an offer to buy or sell any security. Past performance does not guarantee future results. Consult a licensed financial advisor before making investment decisions.

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