Underfolio

Every trading day › 2026

The stock market on September 24, 2026

September 24, 2026, a Thursday. The S&P 500 fell 0.02% to close at 7704.13. Of 3,315 US stocks that traded, 1,404 rose and 1,773 fell.

The S&P 500-0.02%closed at 7704.13
How big a move#23,969of 24,799 trading days since 1928
$100 in the index since$100price only, to September 24, 2026
Stocks that rose1,404of 3,315; 1,773 fell
Biggest companyNvidiaby market value that day

Biggest rises among the 500 largest companies

Pandora Media Inc (P)+11.2%
Tempus AI, Inc. (TEM)+7.4%
Illumina (ILMN)+7.2%

Biggest falls among the 500 largest companies

Genesis Healthcare, Inc. Common Stock (GEN)-12.0%
First Solar (FSLR)-10.3%
Synnex Corp (SNX)-9.9%

Stock moves count dividends; the index is price only. Market values after 2024 are estimates.

‹ September 23, 2026 · Every September 24 · September 25, 2026 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.