Underfolio

Every trading day › 2026

The stock market on September 22, 2026

September 22, 2026, a Tuesday. The S&P 500 fell 0.00% to close at 7764.64. Of 323 US stocks that traded, 159 rose and 129 fell.

The S&P 500-0.00%closed at 7764.64
How big a move#24,478of 24,799 trading days since 1928
$100 in the index since$99.22price only, to September 24, 2026
Stocks that rose159of 323; 129 fell
Biggest companyNvidiaby market value that day

Biggest rises among the 500 largest companies

Carisma Therapeutics Inc. (CARM)+57.1%
Zeo Energy Corp. (ZEO)+57.0%
Filana Therapeutics, Inc. (FLNA)+39.2%

Biggest falls among the 500 largest companies

Advent Technologies Holdings, Inc. (ADNH)-90.6%
Compass Therapeutics, Inc. (CMPX)-31.9%
New Fortress Energy Inc (NFE)-24.7%

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

‹ September 21, 2026 · Every September 22 · September 23, 2026 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.