Underfolio

Every trading day › 2026

The stock market on September 11, 2026

September 11, 2026, a Friday. The S&P 500 rose 0.86% to close at 7656.98. Of 3,328 US stocks that traded, 1,883 rose and 1,312 fell.

The S&P 500+0.86%closed at 7656.98
How big a move#7,345of 24,799 trading days since 1928
$100 in the index since$101price only, to September 24, 2026
Stocks that rose1,883of 3,328; 1,312 fell
Biggest companyNvidiaby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Hewlett Packard Enterprise (HPE)+12.4%
Dell Technologies (DELL)+12.0%
NetApp (NTAP)+8.5%

Biggest falls among the 500 largest companies

Albemarle Corporation (ALB)-3.8%
Mongodb Inc (MDB)-3.1%
Edwards Lifesciences (EW)-2.8%

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

‹ September 10, 2026 · Every September 11 · September 14, 2026 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.