Underfolio

Every trading day › 2025

The stock market on October 2, 2025

October 2, 2025, a Thursday. The S&P 500 rose 0.06% to close at 6715.35. Of 3,532 US stocks that traded, 1,831 rose and 1,595 fell.

The S&P 500+0.06%closed at 6715.35
How big a move#23,031of 24,799 trading days since 1928
$100 in the index since$115price only, to September 24, 2026
Stocks that rose1,831of 3,532; 1,595 fell
Biggest companyNvidiaby market value that day

Biggest rises among the 500 largest companies

Fair Isaac (FICO)+18.0%
AST SpaceMobile, Inc. (ASTS)+16.2%
Oklo Inc. (OKLO)+11.1%

Biggest falls among the 500 largest companies

Transunion (TRU)-10.6%
Equifax (EFX)-8.5%
Rivian (RIVN)-7.4%

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

‹ October 1, 2025 · Every October 2 · October 3, 2025 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.