Underfolio

Every trading day › 2025

The stock market on October 8, 2025

October 8, 2025, a Wednesday. The S&P 500 rose 0.58% to close at 6753.72. Of 3,532 US stocks that traded, 2,195 rose and 1,239 fell.

The S&P 500+0.58%closed at 6753.72
How big a move#11,007of 24,799 trading days since 1928
$100 in the index since$114price only, to September 24, 2026
Stocks that rose2,195of 3,532; 1,239 fell
Biggest companyNvidiaby market value that day

Biggest rises among the 500 largest companies

Advanced Micro Devices (AMD)+11.4%
Tempus AI, Inc. (TEM)+11.0%
Dell Technologies (DELL)+9.0%

Biggest falls among the 500 largest companies

Fair Isaac (FICO)-9.8%
Joby Aviation (JOBY)-8.1%
Ionq (IONQ)-6.2%

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

‹ October 7, 2025 · Every October 8 · October 9, 2025 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.