The stock market on October 15, 2025
October 15, 2025, a Wednesday. The S&P 500 rose 0.40% to close at 6671.06. Of 3,532 US stocks that traded, 1,815 rose and 1,598 fell.
The S&P 500+0.40%closed at 6671.06
How big a move#14,303of 24,799 trading days since 1928
$100 in the index since$115price only, to September 24, 2026
Stocks that rose1,815of 3,532; 1,598 fell
Biggest companyNvidiaby market value that day
Biggest rises among the 500 largest companies
| Hims & Hers Health, Inc. (HIMS) | +16.2% |
| Advanced Micro Devices (AMD) | +9.4% |
| First Solar (FSLR) | +8.9% |
Biggest falls among the 500 largest companies
| Mp Materials (MP) | -8.9% |
| Axon Enterprise (AXON) | -8.5% |
| Ionq (IONQ) | -6.6% |
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.