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S&P 500 Companies By Weight: Live Performance & Distribution Metrics

The S&P 500 ETF (SPY) is the premier index fund tracking the 500 largest publicly traded companies in the United States. As the world's most prominent equity benchmark, the S&P 500 serves as a foundational indicator of US economic health and is widely regarded as the definitive measure of large-cap American stock market performance.

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Weighted % of S&P 500 vs. Today's Valuation Changes

Entire S&P 500 Average+0.961%
Top 10 Largest Companies Average+1.597%
# of Gainers399
# of Decliners103

Top Gainers & Decliners

Top Five S&P 500 Companies With Largest Gains & Losses in Valuation

Industry Breakdown vs. Today's Valuation Changes

S&P 500 Companies Industry Distribution vs. Daily Average Valuation % Change

Cumulative Weight Distribution of S&P 500

Power Distribution: The Domination of The S&P 500's Top Holdings

Latest Index Additions & Removals

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