Underfolio

Every trading day › 2025

The stock market on December 17, 2025

December 17, 2025, a Wednesday. The S&P 500 fell 1.16% to close at 6721.43. Of 3,526 US stocks that traded, 1,335 rose and 2,094 fell.

The S&P 500-1.16%closed at 6721.43
How big a move#4,785of 24,799 trading days since 1928
$100 in the index since$115price only, to September 24, 2026
Stocks that rose1,335of 3,526; 2,094 fell
Biggest companyNvidiaby market value that day

Biggest rises among the 500 largest companies

Devon Energy Corp (DVN)+5.3%
Hubspot Inc (HUBS)+4.7%
Conocophillips (COP)+4.6%

Biggest falls among the 500 largest companies

Bloom Energy Corp (BE)-12.1%
GE Vernova (GEV)-10.5%
AST SpaceMobile, Inc. (ASTS)-9.5%

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

‹ December 16, 2025 · Every December 17 · December 18, 2025 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.