Underfolio

Every trading day › 2011

The stock market on December 20, 2011

December 20, 2011, a Tuesday. The S&P 500 rose 2.98% to close at 1241.30. Of 3,978 US stocks that traded, 3,290 rose and 518 fell.

The S&P 500+2.98%closed at 1241.30
How big a move#672of 24,799 trading days since 1928
$100 in the index since$621price only, to September 24, 2026
Stocks that rose3,290of 3,978; 518 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Cobalt International Energy Inc (CIE)+37.1%
Sprint Nextel (S)+9.3%
DISH Network (DISH)+9.2%

Biggest falls among the 500 largest companies

Red Hat (RHT)-8.9%
General Mills (GIS)-0.8%
HCA Healthcare, Inc. (HCA)-0.8%

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

‹ December 19, 2011 · Every December 20 · December 21, 2011 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.