The S&P 500 index is one of the most widely followed stock market indexes in the world, with trillions of dollars managed based on its makeup. When companies are added or removed from the index ...

ES00 | A complete E-Mini S&P 500 Future Continuous Contract futures overview by MarketWatch. View the futures and commodity market news, futures pricing and futures trading.

Get the CFTC S&P 500 speculative net positions results in real time as they're announced and see the immediate global market impact.

The Magnificent Seven account for 34% of the S&P 500 as of the mid-May 2025. Read on for a full comparison.

S&P 500 Market Movers. Find the S&P 500 hot stocks to buy today. S&P 500 Top market gainers and losers today.