The stock market on May 21, 2025
May 21, 2025, a Wednesday. The S&P 500 fell 1.61% to close at 5844.61. Of 3,532 US stocks that traded, 362 rose and 3,102 fell.
The S&P 500-1.61%closed at 5844.61
How big a move#2,641of 24,799 trading days since 1928
$100 in the index since$132price only, to September 24, 2026
Stocks that rose362of 3,532; 3,102 fell
Biggest companyMicrosoftby market value that day
Biggest rises among the 500 largest companies
| Summit Therapeutics PLC (SMMT) | +4.2% |
| Alphabet Inc. - Class C Capital Stock (GOOG) | +2.9% |
| Alphabet Inc. (Class A) (GOOGL) | +2.8% |
Biggest falls among the 500 largest companies
| Fair Isaac (FICO) | -15.7% |
| Reddit, Inc. (RDDT) | -9.3% |
| Transunion (TRU) | -8.8% |
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.