Underfolio

Every trading day › 2011

The stock market on September 27, 2011

September 27, 2011, a Tuesday. The S&P 500 rose 1.07% to close at 1175.38. Of 4,016 US stocks that traded, 2,921 rose and 903 fell.

The S&P 500+1.07%closed at 1175.38
How big a move#5,477of 24,799 trading days since 1928
$100 in the index since$655price only, to September 24, 2026
Stocks that rose2,921of 4,016; 903 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Allegheny Technologies (ATI)+7.3%
Kosmos Energy Ltd. (KOS)+6.8%
Sears Holdings (SHLD)+6.6%

Biggest falls among the 500 largest companies

Walgreens Boots Alliance (WAG)-6.3%
United Continental Holdings (UAL)-4.7%
Discover Financial (DFS)-4.5%

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

‹ September 26, 2011 · Every September 27 · September 28, 2011 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.