The stock market on March 21, 2025
March 21, 2025, a Friday. The S&P 500 rose 0.08% to close at 5667.56. Of 3,532 US stocks that traded, 1,351 rose and 2,080 fell.
The S&P 500+0.08%closed at 5667.56
How big a move#22,386of 24,799 trading days since 1928
$100 in the index since$136price only, to September 24, 2026
Stocks that rose1,351of 3,532; 2,080 fell
Biggest companyApple Inc.by market value that day
Biggest rises among the 500 largest companies
| Alnylam Pharmaceuticals Inc (ALNY) | +11.8% |
| Supermicro (SMCI) | +7.8% |
| Rivian (RIVN) | +6.6% |
Biggest falls among the 500 largest companies
| Micron Technology (MU) | -8.0% |
| Lockheed Martin (LMT) | -5.8% |
| Nucor (NUE) | -5.8% |
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.