Underfolio

Every trading day › 2001

The stock market on October 12, 2001

October 12, 2001, a Friday. The S&P 500 fell 0.53% to close at 1091.65. Of 5,849 US stocks that traded, 2,281 rose and 3,030 fell.

The S&P 500-0.53%closed at 1091.65
How big a move#12,006of 24,799 trading days since 1928
$100 in the index since$706price only, to September 24, 2026
Stocks that rose2,281of 5,849; 3,030 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Juniper Networks (JNPR)+26.6%
Applied Micro Circuits (AMCC)+20.8%
PMC-Sierra, Inc. (PMCS)+14.5%

Biggest falls among the 500 largest companies

Providian Financial (PVN)-33.9%
American Airlines Group (AMR)-7.6%
Delta Air Lines (DAL)-7.3%

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

‹ October 11, 2001 · Every October 12 · October 15, 2001 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.