1. Business & Finance

What Is the S&P 500?

101 Things You Always Wanted to Know About Investing in the Stock Market

S&P 500 Stock Market Index

The S&P 500 is a stock market index (list) of 500 of the largest publicly traded stocks in the United States. It is market capitalization weighted, meaning a company worth $100 billion has 100x that impact of a $1 billion company.

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