Underfolio

Every trading day › 1989

The stock market on October 6, 1989

October 6, 1989, a Friday. The S&P 500 rose 0.51% to close at 358.78. Of 5,884 US stocks that traded, 1,877 rose and 1,661 fell.

The S&P 500+0.51%closed at 358.78
How big a move#12,335of 24,799 trading days since 1928
$100 in the index since$2,147price only, to September 24, 2026
Stocks that rose1,877of 5,884; 1,661 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Aflac (AFL)+8.0%
Alexander & Alexander (AAL)+6.8%
Apple (AAPL)+5.8%

Biggest falls among the 500 largest companies

CA Technologies (CA)-3.8%
Sempra Energy (SRE)-3.5%
U.S. Bancorp (USB)-3.0%

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

‹ October 5, 1989 · Every October 6 · October 9, 1989 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.