Underfolio

Every trading day › 2026

The stock market on March 16, 2026

March 16, 2026, a Monday. The S&P 500 rose 1.01% to close at 6699.38. Of 3,455 US stocks that traded, 2,161 rose and 1,181 fell.

The S&P 500+1.01%closed at 6699.38
How big a move#5,926of 24,799 trading days since 1928
$100 in the index since$115price only, to September 24, 2026
Stocks that rose2,161of 3,455; 1,181 fell
Biggest companyNvidiaby market value that day

Biggest rises among the 500 largest companies

Coupang (CPNG)+10.8%
Ciena (CIEN)+7.8%
Dollar Tree (DLTR)+6.4%

Biggest falls among the 500 largest companies

Cf Industries Holdings Inc (CF)-5.6%
Gartner (IT)-3.9%
Draftkings (DKNG)-3.8%

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

‹ March 13, 2026 · Every March 16 · March 17, 2026 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.