Underfolio

Every trading day › 2026

The stock market on March 9, 2026

March 9, 2026, a Monday. The S&P 500 rose 0.83% to close at 6795.99. Of 3,455 US stocks that traded, 1,727 rose and 1,629 fell.

The S&P 500+0.83%closed at 6795.99
How big a move#7,686of 24,799 trading days since 1928
$100 in the index since$113price only, to September 24, 2026
Stocks that rose1,727of 3,455; 1,629 fell
Biggest companyNvidiaby market value that day

Biggest rises among the 500 largest companies

Lumentum Holdings Inc (LITE)+14.7%
Bloom Energy Corp (BE)+11.9%
United Therapeutics Corp (UTHR)+10.7%

Biggest falls among the 500 largest companies

Arthur J. Gallagher & Co. (AJG)-4.5%
Cf Industries Holdings Inc (CF)-4.1%
Charter Communications (CHTR)-4.1%

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

‹ March 6, 2026 · Every March 9 · March 10, 2026 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.