Investing terms can often feel confusing, especially for beginners. This glossary is designed to give you clear, simple definitions of the most important concepts in fundamental investing so you can understand how markets work and make better financial decisions.
Fundamental investing focuses on analyzing businesses based on their financial performance, competitive advantage, and long-term value. To do that effectively, you need to understand the language investors use—from basic terms like assets and cash flow to more advanced concepts like return on invested capital (ROIC) and discounted cash flow (DCF).
In this investing glossary, each term is explained in plain language with a focus on real-world understanding—not technical jargon. Whenever possible, definitions are connected to broader investing concepts so you can see how each idea fits into the bigger picture.
You’ll learn key terms related to:
Financial statements and accounting concepts
Business analysis and valuation methods
Stock market fundamentals and investment strategies
Risk, return, and long-term decision-making
If you’re just getting started, this glossary is the perfect place to build your foundation. If you’re already learning, it will help reinforce and clarify the concepts that matter most.
Start with our complete guide: What Is Fundamental Investing
Then explore deeper topics in Investing Basics and Business Analysis
Comparable company analysis is a valuation method that estimates a company’s value by comparing it to similar publicly traded companies. In fundamental investing, comparable company analysis helps investors understand how the market values similar businesses based on metrics such as revenue, earnings, EBITDA, free cash flow, growth, margins, and return on capital. It is commonly […]
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EBITDA margin is a profitability metric that shows EBITDA as a percentage of revenue. In fundamental investing, EBITDA margin helps investors evaluate how much operating earnings a company generates from each dollar of sales before interest, taxes, depreciation, and amortization. It is commonly used to compare operating profitability, business efficiency, cost structure, and valuation across
Return on assets (ROA) is a profitability ratio that measures how much net income a company generates relative to its total assets. In fundamental investing, return on assets helps investors evaluate how efficiently a company uses its asset base to produce profit. It is especially useful for comparing asset-heavy businesses, banks, insurers, manufacturers, retailers, and
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Return on equity (ROE) is a profitability ratio that measures how much net income a company generates relative to shareholders’ equity. In fundamental investing, return on equity helps investors evaluate how efficiently a company uses shareholder capital to produce profits. It is often used to analyze profitability, management effectiveness, business quality, financial leverage, and long-term
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NOPAT stands for net operating profit after tax. In fundamental investing, NOPAT measures the after-tax profit a company generates from its core operations before the effects of financing decisions such as debt, interest expense, and capital structure. It is commonly used to evaluate operating profitability, return on invested capital (ROIC), business quality, and intrinsic value.
The stock market is the system where investors buy and sell shares of publicly traded companies. In fundamental investing, the stock market matters because it gives investors a way to own pieces of real businesses. Stock prices move every day, but long-term returns are ultimately influenced by business fundamentals such as earnings, cash flow, growth,
The Russell 2000 is a stock market index that tracks approximately 2,000 small-cap publicly traded companies in the United States. In fundamental investing, the Russell 2000 matters because it is one of the most widely used benchmarks for U.S. small-cap stocks. Investors use it to measure small-company performance, compare portfolio returns, evaluate small-cap index funds,
The secondary market is the part of the financial market where investors buy and sell existing securities after they have already been issued. In fundamental investing, the secondary market matters because it is where most everyday stock and bond trading happens. When investors buy shares of public companies through a brokerage account, they are usually
The primary market is the part of the financial market where securities are issued and sold to investors for the first time. In fundamental investing, the primary market matters because it is where companies, governments, and other issuers raise new capital by selling newly created securities such as stocks or bonds. Initial public offerings, secondary
The Nasdaq Composite is a stock market index that tracks thousands of stocks listed on the Nasdaq stock exchange. In fundamental investing, the Nasdaq Composite matters because it is one of the most widely followed benchmarks for growth-oriented, technology-heavy, and innovation-driven public companies. Investors use it to monitor market performance, compare portfolio returns, evaluate index
