The stock market on October 21, 2025
October 21, 2025, a Tuesday. The S&P 500 rose 0.00% to close at 6735.35. Of 3,532 US stocks that traded, 1,832 rose and 1,611 fell.
The S&P 500+0.00%closed at 6735.35
How big a move#24,440of 24,799 trading days since 1928
$100 in the index since$114price only, to September 24, 2026
Stocks that rose1,832of 3,532; 1,611 fell
Biggest companyNvidiaby market value that day
Biggest rises among the 500 largest companies
| General Motors (GM) | +14.9% |
| Halliburton (HAL) | +11.6% |
| Wimm Bill Dann Foods (WBD) | +11.0% |
Biggest falls among the 500 largest companies
| Oklo Inc. (OKLO) | -12.3% |
| Mp Materials (MP) | -10.6% |
| Newmont (NEM) | -9.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 20, 2025 · Every October 21 · October 22, 2025 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.