Underfolio

Every trading day › 2026

The stock market on January 5, 2026

January 5, 2026, a Monday. The S&P 500 rose 0.64% to close at 6902.05. Of 3,518 US stocks that traded, 2,406 rose and 1,016 fell.

The S&P 500+0.64%closed at 6902.05
How big a move#10,207of 24,799 trading days since 1928
$100 in the index since$112price only, to September 24, 2026
Stocks that rose2,406of 3,518; 1,016 fell
Biggest companyNvidiaby market value that day

Biggest rises among the 500 largest companies

Kratos Defense & Security (KTOS)+13.4%
Valero Energy Corp (VLO)+9.2%
Affirm Holdings (AFRM)+9.1%

Biggest falls among the 500 largest companies

Lumentum Holdings Inc (LITE)-7.5%
Jabil (JBL)-7.0%
Astera Labs, Inc. (ALAB)-6.9%

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

‹ January 2, 2026 · Every January 5 · January 6, 2026 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.