Underfolio

Every trading day › 2011

The stock market on March 21, 2011

March 21, 2011, a Monday. The S&P 500 rose 1.50% to close at 1298.38. Of 4,097 US stocks that traded, 3,134 rose and 761 fell.

The S&P 500+1.50%closed at 1298.38
How big a move#3,078of 24,799 trading days since 1928
$100 in the index since$593price only, to September 24, 2026
Stocks that rose3,134of 4,097; 761 fell
Biggest companyExxon Mobilby market value that day

Biggest rises among the 500 largest companies

Atmel Corp (ATML)+8.0%
Las Vegas Sands (LVS)+6.5%
American International Group, Inc. (AIG)+5.9%

Biggest falls among the 500 largest companies

Sprint Nextel (S)-13.6%
Qwest Communications (Q)-3.4%
CenturyLink (CTL)-3.2%

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

‹ March 18, 2011 · Every March 21 · March 22, 2011 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.