Underfolio

Every trading day › 2026

The stock market on May 12, 2026

May 12, 2026, a Tuesday. The S&P 500 fell 0.16% to close at 7400.96. Of 3,402 US stocks that traded, 1,216 rose and 2,072 fell.

The S&P 500-0.16%closed at 7400.96
How big a move#20,193of 24,799 trading days since 1928
$100 in the index since$104price only, to September 24, 2026
Stocks that rose1,216of 3,402; 2,072 fell
Biggest companyNvidiaby market value that day

Biggest rises among the 500 largest companies

Insmed Inc (INSM)+11.7%
Zebra Technologies (ZBRA)+11.4%
Aramark (ARMK)+8.6%

Biggest falls among the 500 largest companies

AST SpaceMobile, Inc. (ASTS)-11.6%
Qualcomm (QCOM)-11.5%
Intel (INTC)-6.8%

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

‹ May 11, 2026 · Every May 12 · May 13, 2026 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.