The stock market on August 15, 2025
August 15, 2025, a Friday. The S&P 500 fell 0.29% to close at 6449.80. Of 3,532 US stocks that traded, 1,269 rose and 2,161 fell.
The S&P 500-0.29%closed at 6449.80
How big a move#16,778of 24,799 trading days since 1928
$100 in the index since$119price only, to September 24, 2026
Stocks that rose1,269of 3,532; 2,161 fell
Biggest companyNvidiaby market value that day
Biggest rises among the 500 largest companies
| UnitedHealth Group (UNH) | +12.0% |
| First Solar (FSLR) | +11.1% |
| Mongodb Inc (MDB) | +6.8% |
Biggest falls among the 500 largest companies
| Applied Materials (AMAT) | -14.1% |
| Lam Research (LRCX) | -7.3% |
| Roblox (RBLX) | -6.3% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
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Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.