Underfolio

Every trading day › 2025

The stock market on December 23, 2025

December 23, 2025, a Tuesday. The S&P 500 rose 0.46% to close at 6909.79. Of 3,520 US stocks that traded, 1,103 rose and 2,300 fell.

The S&P 500+0.46%closed at 6909.79
How big a move#13,282of 24,799 trading days since 1928
$100 in the index since$111price only, to September 24, 2026
Stocks that rose1,103of 3,520; 2,300 fell
Biggest companyNvidiaby market value that day

Biggest rises among the 500 largest companies

Marvell Technology Group Ltd (MRVL)+3.4%
EXPAND ENERGY Corp (EXE)+3.1%
Nvidia (NVDA)+3.0%

Biggest falls among the 500 largest companies

Moderna (MRNA)-7.5%
First Solar (FSLR)-5.3%
Microstrategy Inc (MSTR)-3.9%

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

‹ December 22, 2025 · Every December 23 · December 24, 2025 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.