Underfolio

Every trading day › 2001

The stock market on September 27, 2001

September 27, 2001, a Thursday. The S&P 500 rose 1.15% to close at 1018.61. Of 5,876 US stocks that traded, 2,795 rose and 2,516 fell.

The S&P 500+1.15%closed at 1018.61
How big a move#4,860of 24,799 trading days since 1928
$100 in the index since$756price only, to September 24, 2026
Stocks that rose2,795of 5,876; 2,516 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Citrix Systems (CTXS)+21.3%
Applied Biosystems (Applera) (ABI)+14.0%
Yahoo (YHOO)+12.3%

Biggest falls among the 500 largest companies

Qwest Communications (Q)-14.9%
Compuware (CPWR)-13.6%
Broadcom (BRCM)-12.8%

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

‹ September 26, 2001 · Every September 27 · September 28, 2001 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.