Underfolio

Every trading day › 2012

The stock market on September 12, 2012

September 12, 2012, a Wednesday. The S&P 500 rose 0.21% to close at 1436.56. Of 3,906 US stocks that traded, 2,189 rose and 1,456 fell.

The S&P 500+0.21%closed at 1436.56
How big a move#18,778of 24,799 trading days since 1928
$100 in the index since$536price only, to September 24, 2026
Stocks that rose2,189of 3,906; 1,456 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Vulcan Materials (VMC)+10.7%
Facebook (FB)+7.7%
Sears Holdings (SHLD)+7.7%

Biggest falls among the 500 largest companies

Monster Beverage Corporation (MNST)-9.9%
Lorillard Tobacco Company (LO)-4.3%
Keurig Green Mountain (GMCR)-4.0%

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

‹ September 11, 2012 · Every September 12 · September 13, 2012 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.