Index funds are mutual funds that seek only to mirror the performance of an underlying stock market index — not to outperform it. Millions of investors hold them in their portfolios because they ...

Carol M. Kopp edits features on a wide range of subjects for Investopedia, including investing, personal finance, retirement planning, taxes, business management, and career development. Gordon Scott ...

Yarilet Perez is an experienced multimedia journalist and fact-checker with a Master of Science in Journalism. She has worked in multiple cities covering breaking news, politics, education, and more.

The goal of passive investing is to replicate the success of the market through assets like index funds. Active investing attempts to outperform the market by selecting different investments than the ...

What Is the Relative Strength Index (RSI)? The relative strength index (RSI) indicates whether a security, such as a stock, is overbought or oversold. It’s a technical indicator that is a part of a ...

What Is the Case-Shiller Home Price Index? The Case-Shiller Home Price Index, officially known as the S&P CoreLogic Case-Shiller U.S. National Home Price Index, is a key monthly measure of the changes ...