Underfolio

Every trading day › 2001

The stock market on May 21, 2001

May 21, 2001, a Monday. The S&P 500 rose 1.62% to close at 1312.83. Of 6,141 US stocks that traded, 3,721 rose and 1,921 fell.

The S&P 500+1.62%closed at 1312.83
How big a move#2,637of 24,799 trading days since 1928
$100 in the index since$587price only, to September 24, 2026
Stocks that rose3,721of 6,141; 1,921 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for8stocks

Biggest rises among the 500 largest companies

Exodus Communications Inc+17.7%
NetApp (NTAP)+16.2%
Brocade Communications Sys Inc (BRCD)+16.0%

Biggest falls among the 500 largest companies

Apollo Education Group (APOL)-5.7%
Cablevision Systems (CVC)-5.3%
PG&E Corp. (PCG)-4.1%

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

‹ May 18, 2001 · Every May 21 · May 22, 2001 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.