Underfolio

Every trading day › 2025

The stock market on December 22, 2025

December 22, 2025, a Monday. The S&P 500 rose 0.64% to close at 6878.49. Of 3,522 US stocks that traded, 2,117 rose and 1,304 fell.

The S&P 500+0.64%closed at 6878.49
How big a move#10,080of 24,799 trading days since 1928
$100 in the index since$112price only, to September 24, 2026
Stocks that rose2,117of 3,522; 1,304 fell
Biggest companyNvidiaby market value that day

Biggest rises among the 500 largest companies

AST SpaceMobile, Inc. (ASTS)+14.0%
Rocket Lab USA (RKLB)+10.0%
First Solar (FSLR)+6.6%

Biggest falls among the 500 largest companies

Dollar Tree (DLTR)-4.2%
Dominion Energy Inc (D)-3.7%
Coupang (CPNG)-3.4%

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

‹ December 19, 2025 · Every December 22 · December 23, 2025 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.