Underfolio

Every trading day › 2011

The stock market on September 9, 2011

September 9, 2011, a Friday. The S&P 500 fell 2.67% to close at 1154.23. Of 4,021 US stocks that traded, 545 rose and 3,251 fell.

The S&P 500-2.67%closed at 1154.23
How big a move#885of 24,799 trading days since 1928
$100 in the index since$667price only, to September 24, 2026
Stocks that rose545of 4,021; 3,251 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Ulta Beauty (ULTA)+14.5%
Marvell Technology Group Ltd. (MRVL)+1.9%
Tractor Supply (TSCO)+1.9%

Biggest falls among the 500 largest companies

VeriSign, Inc. (VRSN)-14.4%
Regeneron Pharmaceuticals (REGN)-9.1%
National Fuel Gas Company (NFG)-7.4%

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

‹ September 8, 2011 · Every September 9 · September 12, 2011 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.