Underfolio

Every trading day › 2012

The stock market on April 18, 2012

April 18, 2012, a Wednesday. The S&P 500 fell 0.41% to close at 1385.14. Of 3,951 US stocks that traded, 1,079 rose and 2,632 fell.

The S&P 500-0.41%closed at 1385.14
How big a move#14,238of 24,799 trading days since 1928
$100 in the index since$556price only, to September 24, 2026
Stocks that rose1,079of 3,951; 2,632 fell
Biggest companyAppleby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Polaris Inc. (PII)+10.1%
Intuitive Surgical, Inc. (ISRG)+7.1%
Western Digital (WDC)+5.2%

Biggest falls among the 500 largest companies

Chesapeake Energy (CHK)-5.5%
Keurig Green Mountain (GMCR)-4.3%
Groupon, Inc. (GRPN)-4.3%

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

‹ April 17, 2012 · Every April 18 · April 19, 2012 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.