Underfolio

Every trading day › 2001

The stock market on February 23, 2001

February 23, 2001, a Friday. The S&P 500 fell 0.56% to close at 1245.86. Of 6,320 US stocks that traded, 2,389 rose and 3,104 fell.

The S&P 500-0.56%closed at 1245.86
How big a move#11,497of 24,799 trading days since 1928
$100 in the index since$618price only, to September 24, 2026
Stocks that rose2,389of 6,320; 3,104 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

T I B C O Software Inc (TIBX)+19.6%
Redback Networks Inc (RBAK)+16.1%
Micromuse Inc (MUSE)+13.7%

Biggest falls among the 500 largest companies

Sonus Networks (SONS)-12.8%
Siebel Systems (SEBL)-10.9%
I2 Technologies Inc (ITWO)-8.2%

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

‹ February 22, 2001 · Every February 23 · February 26, 2001 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.