Investing education library

Start with the fundamentals, learn to assess uncertainty and use primary sources to understand your financial decisions.

Investing Basics

What Is a Stock? Ownership Explained

A stock is a unit of ownership in a company. Its market price changes as buyers and sellers respond to expected future outcomes.

Market Fundamentals

How Does the Stock Market Work?

Stock exchanges and brokers help buyers and sellers trade ownership interests, with market rules governing how orders are handled.

Investing Basics

What Is a Dividend?

A dividend is a distribution that a company may pay to shareholders, typically from available funds.

Stock Analysis

What Is Market Capitalization?

Market capitalization is the market value of a company's outstanding equity shares, commonly estimated as share price multiplied by shares outstanding.

Stock Analysis

What Is a P/E Ratio?

The price-to-earnings ratio compares the price of a share with earnings per share over a defined period.

Investing Strategies

What Is Dollar-Cost Averaging?

Dollar-cost averaging means investing a fixed amount on a regular schedule, regardless of market movements.

Funds & Diversification

How Do Index Funds Work?

An index fund seeks to track a specified market index, usually through a mutual fund or exchange-traded fund.

Investing Basics

What Is a Bond?

A bond is a debt security through which an investor lends money to an issuer under specified terms.

Managing Risk

Risk Tolerance vs. Risk Capacity

Risk tolerance concerns how much uncertainty someone can emotionally accept; risk capacity concerns their financial ability to absorb losses.

Trading Risk

What Is a Stop-Loss Order?

A stop order can trigger an instruction to buy or sell when a specified price is reached, depending on the broker and order type.

Chart Reading

What Is Trading Volume?

Trading volume measures the amount of shares or contracts traded over a specified time interval.

Portfolio Basics

What Is Portfolio Rebalancing?

Rebalancing means adjusting portfolio weights after market movements or changes in goals and circumstances.

Investor Protection

How to Spot an Investment Scam

Investment fraud often involves misleading claims, pressure, impersonation or promises of unusually reliable returns.