Investing Glossary

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

Solvency

Solvency refers to a company’s ability to satisfy its financial liabilities with existing resources.  A company is considered solvent when its assets and cash flows are sufficient to service its liabilities. A company is considered insolvent when its assets and cash flows are insufficient to service its liabilities.   Solvency is not the same as liquidity. […]

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Retained Earnings 

Retained earnings represent the cumulative net profits a company has retained in the business.   For any given period, retained earnings equal the period’s net income minus any dividends paid to shareholders in the period. Cumulatively, retained earnings equal the beginning balance of retained earnings plus the period’s net income minus any dividends paid over the

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Sarbanes-Oxley Act

The Sarbanes-Oxley Act is legislation passed in July of 2002 which addressed flaws in the governance of U.S. publicly traded corporations.  The legislation is named after the bill’s key sponsors, former Democratic Senator Paul Sarbanes and former Republican Congressman Michael Oxley.  The legislation was passed in response to a wave of corporate scandals that occurred

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Comprehensive Income and Other Comprehensive Income 

Other comprehensive income refers to income, expenses, gains, or losses which under U.S. GAAP are excluded from the income statement. Rather, these transactions are accounted for directly into shareholder’s equity.  The purpose of the other comprehensive income account is to separate certain transactions which may cause unnecessary volatility in a company’s earnings and distort the

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Permanent and Temporary Accounts

Permanent accounts are accounts whose balances carry over from one accounting period to another.  Permanent accounts are shown on the balance sheet. In other words, permanent accounts are asset, liability, and equity accounts. Permanent accounts convey information about a company’s financial position.   Temporary accounts are accounts whose balances begin an accounting period at zero.   Temporary

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Revenue Recognition

Revenue recognition refers to the accounting rules that govern the amount of revenue which a company can recognize in a given period.  Under U.S. GAAP, the general principal for recognizing revenue is to record revenues when they are earned – i.e., when the services have been performed or the goods have been provided to customers. 

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Petty Cash

Petty cash refers to a currency fund companies use for small purchases.   The petty cash fund is a convenient way for companies to account for incidental expenditures.  Because the petty cash fund can be highly susceptible to theft, companies generally designate an employee to oversee the fund. The employee responsible for the petty cash fund

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Prepaid Expenses

Prepaid expenses are payments made for expenses which have not yet been consumed.  Because prepaid expenses reflect goods or services which are owed to the company, prepaid expenses are recognized as assets. Prepaid expenses are generally recognized as current assets, since most prepaid expenses are consumed within one year. However, some expenses may be prepaid

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Preferred Stock

Preferred stock is a class of stock that has preference over common stock in respect to dividends and liquidation proceeds.  Preferred stock generally pays a fixed percentage of par value.  The four most common types of preferred stock are cumulative preferred stock, non-cumulative preferred stock, participating preferred stock, and convertible preferred stock.  With cumulative preferred

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