S&P 500

Cultural  

1. An index of stock prices issued by Standard and Poor, a major credit-rating agency, and indicating price movements of the shares of five hundred major companies traded on the New York Stock Exchange. (Compare Dow Jones Industrial Average .)

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S&P 500

When a large company gets added to the S&P 500, the committee often removes a very small company.

From MarketWatch ● Sep. 4, 2026

The company’s shares have fallen 19% this year while the S&P 500 Index is up 12% as of Friday.

From Los Angeles Times ● Sep. 4, 2026

The S&P 500 declined 29.11 points, or 0.38%, to 7718.60 and the tech-heavy Nasdaq Composite shed 77.07 points, or 0.29%, to 26506.99.

From The Wall Street Journal ● Sep. 4, 2026

Some investors like to speculate about potential additions, presuming that stocks tabbed to join the index will get short-term boosts, as funds tracking the S&P 500 will be forced to take positions.

From MarketWatch ● Sep. 4, 2026

In his first full year, 2001, the S&P 500 fell 11.88 percent.

From "The Big Short" by Michael Lewis