History of S&P 500 in Timeline
The S&P 500 is a stock market index that tracks the performance of 500 of the largest publicly traded companies in the United States. It represents roughly 80% of the total U.S. equity market capitalization, making it a key indicator of overall market health and economic performance. As of the end of 2025, the S&P 500 had an aggregate market capitalization exceeding $61.1 trillion. It serves as a benchmark for investment portfolios and is widely used by investors and financial professionals.
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1 hour ago Drake's 'Janice STFU' Debuts at No. 1, Breaks Record, Beats Michael Jackson
2 hours ago Bublik faces Struff at French Open, Kovacevic vs Jodar predicted at Roland Garros.
3 hours ago GE Aerospace's GE426 Engine Wins Award, USAF Backs Autonomous Jet Engine Design.
4 hours ago Dell's Earnings Report Anticipated: Stock Movement, Networking, and Hardware Gains Expected.
5 hours ago Americans cut back on groceries amid economic hardship, impacting consumption and trade.
5 hours ago Momentus (MNTS) stock surges, director Brian Kabot increases company shares with open-market purchase.
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