The stock market on December 15, 2025
December 15, 2025, a Monday. The S&P 500 fell 0.16% to close at 6816.51. Of 3,526 US stocks that traded, 1,289 rose and 2,145 fell.
The S&P 500-0.16%closed at 6816.51
How big a move#20,209of 24,799 trading days since 1928
$100 in the index since$113price only, to September 24, 2026
Stocks that rose1,289of 3,526; 2,145 fell
Biggest companyNvidiaby market value that day
Biggest rises among the 500 largest companies
| Gartner (IT) | +5.3% |
| Bristol Myers Squibb (BMY) | +3.6% |
| Tesla, Inc. (TSLA) | +3.6% |
Biggest falls among the 500 largest companies
| AST SpaceMobile, Inc. (ASTS) | -11.6% |
| Rocket Lab USA (RKLB) | -9.9% |
| Microstrategy Inc (MSTR) | -8.1% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
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Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.