Skip to main content
All Indexes
United States

S&P 500

Tracks roughly 500 of the largest publicly traded U.S. companies, weighted by market capitalization. Widely used as the primary benchmark for the overall U.S. stock market.

Operator

S&P Dow Jones Indices

Launched

1957

Country

United States

Methodology

Market-capitalization weighted; constituents are selected by a committee based on size, liquidity, and profitability criteria rather than a fixed mechanical rule.

Major Sectors

Technology
Healthcare
Financials
Consumer Discretionary
Industrials