Underfolio

Every trading day › 2001

The stock market on September 20, 2001

September 20, 2001, a Thursday. The S&P 500 fell 3.11% to close at 984.54. Of 5,893 US stocks that traded, 1,223 rose and 4,260 fell.

The S&P 500-3.11%closed at 984.54
How big a move#605of 24,799 trading days since 1928
$100 in the index since$783price only, to September 24, 2026
Stocks that rose1,223of 5,893; 4,260 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Immunex (IMNX)+10.9%
PG&E Corp. (PCG)+8.4%
Enron (ENRNQ)+7.5%

Biggest falls among the 500 largest companies

Ivaco Industries Inc (IVX)-34.9%
Spx Corp-Old (SPW)-19.9%
Eastman Kodak (EK)-13.4%

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

‹ September 19, 2001 · Every September 20 · September 21, 2001 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.