The stock market on October 31, 2025
October 31, 2025, a Friday. The S&P 500 rose 0.26% to close at 6840.20. Of 3,532 US stocks that traded, 1,978 rose and 1,463 fell.
The S&P 500+0.26%closed at 6840.20
How big a move#17,415of 24,799 trading days since 1928
$100 in the index since$113price only, to September 24, 2026
Stocks that rose1,978of 3,532; 1,463 fell
Biggest companyNvidiaby market value that day
Biggest rises among the 500 largest companies
| Illumina (ILMN) | +24.8% |
| Twilio Inc (TWLO) | +19.5% |
| First Solar (FSLR) | +14.3% |
Biggest falls among the 500 largest companies
| Dexcom (DXCM) | -14.6% |
| Monolithic Power Systems (MPWR) | -7.6% |
| Motorola Solutions Inc (MSI) | -5.9% |
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.