The stock market on September 12, 2025
September 12, 2025, a Friday. The S&P 500 fell 0.05% to close at 6584.29. Of 3,532 US stocks that traded, 933 rose and 2,503 fell.
The S&P 500-0.05%closed at 6584.29
How big a move#23,363of 24,799 trading days since 1928
$100 in the index since$117price only, to September 24, 2026
Stocks that rose933of 3,532; 2,503 fell
Biggest companyNvidiaby market value that day
Biggest rises among the 500 largest companies
| Ionq (IONQ) | +18.2% |
| Wimm Bill Dann Foods (WBD) | +16.7% |
| Rocket Lab USA (RKLB) | +10.1% |
Biggest falls among the 500 largest companies
| Arista Networks (ANET) | -8.9% |
| Carlisle Cos Inc (CSL) | -6.7% |
| Ferguson Enterprises Inc. /DE/ (FERG) | -6.3% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 11, 2025 · Every September 12 · September 15, 2025 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.