The stock market on October 1, 2025
October 1, 2025, a Wednesday. The S&P 500 rose 0.34% to close at 6711.20. Of 3,532 US stocks that traded, 1,642 rose and 1,781 fell.
The S&P 500+0.34%closed at 6711.20
How big a move#15,604of 24,799 trading days since 1928
$100 in the index since$115price only, to September 24, 2026
Stocks that rose1,642of 3,532; 1,781 fell
Biggest companyNvidiaby market value that day
Biggest rises among the 500 largest companies
| Biogen (BIIB) | +10.1% |
| Thermo Fisher Scientific (TMO) | +9.4% |
| Supermicro (SMCI) | +9.3% |
Biggest falls among the 500 largest companies
| Reddit, Inc. (RDDT) | -11.9% |
| Corteva (CTVA) | -9.1% |
| Mercadolibre Inc (MELI) | -6.9% |
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.