Underfolio

Every trading day › 2025

The stock market on December 26, 2025

December 26, 2025, a Friday. The S&P 500 fell 0.03% to close at 6929.94. Of 3,520 US stocks that traded, 1,431 rose and 1,951 fell.

The S&P 500-0.03%closed at 6929.94
How big a move#23,847of 24,799 trading days since 1928
$100 in the index since$111price only, to September 24, 2026
Stocks that rose1,431of 3,520; 1,951 fell
Biggest companyNvidiaby market value that day

Biggest rises among the 500 largest companies

Coupang (CPNG)+6.5%
Pure Storage Inc (PSTG)+3.4%
Target Corporation (TGT)+3.1%

Biggest falls among the 500 largest companies

Rocket Lab USA (RKLB)-8.5%
AST SpaceMobile, Inc. (ASTS)-7.8%
Palantir Technologies (PLTR)-2.8%

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

‹ December 24, 2025 · Every December 26 · December 29, 2025 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.