Underfolio

Every trading day › 2001

The stock market on October 11, 2001

October 11, 2001, a Thursday. The S&P 500 rose 1.52% to close at 1097.43. Of 5,850 US stocks that traded, 3,435 rose and 1,874 fell.

The S&P 500+1.52%closed at 1097.43
How big a move#3,001of 24,799 trading days since 1928
$100 in the index since$702price only, to September 24, 2026
Stocks that rose3,435of 5,850; 1,874 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

QLogic Corporation (QLGC)+22.4%
Ciena Corporation (CIEN)+22.1%
Gemstar-Tv Guide Intl Inc (GMST)+19.8%

Biggest falls among the 500 largest companies

Allstate (ALL)-9.4%
HCA Healthcare, Inc. (HCA)-4.8%
Express Scripts (ESRX)-4.7%

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

‹ October 10, 2001 · Every October 11 · October 12, 2001 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.