Underfolio

Every trading day › 2001

The stock market on April 23, 2001

April 23, 2001, a Monday. The S&P 500 fell 1.50% to close at 1224.36. Of 6,191 US stocks that traded, 2,216 rose and 3,383 fell.

The S&P 500-1.50%closed at 1224.36
How big a move#3,085of 24,799 trading days since 1928
$100 in the index since$629price only, to September 24, 2026
Stocks that rose2,216of 6,191; 3,383 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

EOG Resources, Inc. (EOG)+7.3%
AutoNation (AN)+6.7%
Marathon Oil (MRO)+5.6%

Biggest falls among the 500 largest companies

I2 Technologies Inc (ITWO)-18.0%
Openwave Sys Inc (OPWV)-15.3%
JDS Uniphase (JDSU)-15.3%

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

‹ April 20, 2001 · Every April 23 · April 24, 2001 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.