Underfolio

Every trading day › 2012

The stock market on April 27, 2012

April 27, 2012, a Friday. The S&P 500 rose 0.24% to close at 1403.36. Of 3,953 US stocks that traded, 2,489 rose and 1,215 fell.

The S&P 500+0.24%closed at 1403.36
How big a move#17,943of 24,799 trading days since 1928
$100 in the index since$549price only, to September 24, 2026
Stocks that rose2,489of 3,953; 1,215 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Amazon.com (AMZN)+15.8%
Skyworks (SWKS)+9.1%
Maxim Integrated (MXIM)+8.2%

Biggest falls among the 500 largest companies

Western Digital (WDC)-14.0%
Republic Services (RSG)-13.3%
Informatica Corp (INFA)-6.7%

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

‹ April 26, 2012 · Every April 27 · April 30, 2012 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.