The stock market on August 27, 2025
August 27, 2025, a Wednesday. The S&P 500 rose 0.24% to close at 6481.40. Of 3,532 US stocks that traded, 2,011 rose and 1,403 fell.
The S&P 500+0.24%closed at 6481.40
How big a move#18,002of 24,799 trading days since 1928
$100 in the index since$119price only, to September 24, 2026
Stocks that rose2,011of 3,532; 1,403 fell
Biggest companyNvidiaby market value that day
Biggest rises among the 500 largest companies
| Mongodb Inc (MDB) | +38.0% |
| Atlassian Corp PLC (TEAM) | +4.7% |
| Datadog Inc (DDOG) | +4.3% |
Biggest falls among the 500 largest companies
| Summit Therapeutics PLC (SMMT) | -8.1% |
| Heico Corp | -5.5% |
| Robinhood (HOOD) | -5.4% |
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.