S&P 500

S&P 500 is a stock market index tracking the stock performance of 500 leading companies listed on stock exchanges in the United States. It is one of the most commonly followed equity indices and includes approximately 80% of the total market capitalization of U. S.

public companies, with an aggregate market cap of more than $61.
1 trillion as of December 31, 2025.

Back to Investing Concepts →

Source: Wikipedia · Image: Wikimedia Commons · CC BY-SA 4.0

STOCKTRICK

Trade informed — market guides, trading calculators, and investing insights (educational, not advice).

Get new guides by emailOccasional emails. No spam. Unsubscribe anytime.

InformationAbout Contact Privacy Policy Terms of Service Disclaimer Affiliate Disclosure Cookie Policy

Every species, image, fact, and figure is drawn from Wikipedia and Wikimedia Commons, used under public-domain and Creative Commons licenses. No content is AI-generated.