Underfolio

Every trading day › 2011

The stock market on August 12, 2011

August 12, 2011, a Friday. The S&P 500 rose 0.53% to close at 1178.81. Of 4,031 US stocks that traded, 2,035 rose and 1,782 fell.

The S&P 500+0.53%closed at 1178.81
How big a move#12,015of 24,799 trading days since 1928
$100 in the index since$654price only, to September 24, 2026
Stocks that rose2,035of 4,031; 1,782 fell
Biggest companyExxon Mobilby market value that day

Biggest rises among the 500 largest companies

HCA Healthcare, Inc. (HCA)+9.0%
Molycorp Inc De (MCP)+8.8%
Regeneron Pharmaceuticals (REGN)+8.1%

Biggest falls among the 500 largest companies

Morgan Stanley (MS)-7.2%
Best Buy (BBY)-5.1%
Regions Financial (RF)-4.4%

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

‹ August 11, 2011 · Every August 12 · August 15, 2011 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.