Underfolio

Every trading day › 2026

The stock market on January 20, 2026

January 20, 2026, a Tuesday. The S&P 500 fell 2.06% to close at 6796.86. Of 3,508 US stocks that traded, 794 rose and 2,620 fell.

The S&P 500-2.06%closed at 6796.86
How big a move#1,570of 24,799 trading days since 1928
$100 in the index since$113price only, to September 24, 2026
Stocks that rose794of 3,508; 2,620 fell
Biggest companyNvidiaby market value that day

Biggest rises among the 500 largest companies

Lumentum Holdings Inc (LITE)+10.1%
Hecla Mining Co (HL)+6.4%
Albemarle Corporation (ALB)+5.8%

Biggest falls among the 500 largest companies

Roblox (RBLX)-9.7%
NetApp (NTAP)-9.4%
Dell Technologies (DELL)-7.8%

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

‹ January 16, 2026 · Every January 20 · January 21, 2026 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.