The stock market on September 23, 2026
September 23, 2026, a Wednesday. The S&P 500 fell 0.75% to close at 7706.03. Of 3,276 US stocks that traded, 1,120 rose and 2,112 fell.
The S&P 500-0.75%closed at 7706.03
How big a move#8,579of 24,799 trading days since 1928
$100 in the index since$99.98price only, to September 24, 2026
Stocks that rose1,120of 3,276; 2,112 fell
Biggest companyNvidiaby market value that day
Biggest rises among the 500 largest companies
| Twilio Inc (TWLO) | +9.3% |
| Okta Inc (OKTA) | +7.3% |
| Illumina (ILMN) | +6.9% |
Biggest falls among the 500 largest companies
| Airbnb (ABNB) | -10.3% |
| Genesis Healthcare, Inc. (GEN) | -10.0% |
| Paychex (PAYX) | -9.2% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 22, 2026 · Every September 23
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.