Underfolio

Every trading day › 2026

The stock market on September 4, 2026

September 4, 2026, a Friday. The S&P 500 fell 0.38% to close at 7718.60. Of 3,330 US stocks that traded, 1,754 rose and 1,432 fell.

The S&P 500-0.38%closed at 7718.60
How big a move#14,889of 24,799 trading days since 1928
$100 in the index since$99.81price only, to September 24, 2026
Stocks that rose1,754of 3,330; 1,432 fell
Biggest companyNvidiaby market value that day

Biggest rises among the 500 largest companies

Astera Labs, Inc. (ALAB)+9.8%
Ttm Technologies Inc (TTMI)+8.8%
Bloom Energy Corp (BE)+7.3%

Biggest falls among the 500 largest companies

Guidewire Software Inc (GWRE)-19.9%
Fair Isaac (FICO)-16.7%
Autodesk (ADSK)-8.3%

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

‹ September 3, 2026 · Every September 4 · September 8, 2026 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.