Underfolio

Every trading day › 2001

The stock market on September 18, 2001

September 18, 2001, a Tuesday. The S&P 500 fell 0.58% to close at 1032.74. Of 5,894 US stocks that traded, 2,107 rose and 3,297 fell.

The S&P 500-0.58%closed at 1032.74
How big a move#11,048of 24,799 trading days since 1928
$100 in the index since$746price only, to September 24, 2026
Stocks that rose2,107of 5,894; 3,297 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

American Airlines Group (AMR)+11.1%
Delta Air Lines (DAL)+11.1%
AutoZone (AZO)+10.4%

Biggest falls among the 500 largest companies

PeopleSoft, Inc. (PSFT)-18.0%
Sears Holdings (SHLDQ)-14.0%
LSI Logic (LSI)-13.7%

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

‹ September 17, 2001 · Every September 18 · September 19, 2001 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.