Underfolio

Every trading day › 1989

The stock market on September 7, 1989

September 7, 1989, a Thursday. The S&P 500 fell 0.25% to close at 348.35. Of 5,914 US stocks that traded, 1,767 rose and 1,769 fell.

The S&P 500-0.25%closed at 348.35
How big a move#17,597of 24,799 trading days since 1928
$100 in the index since$2,212price only, to September 24, 2026
Stocks that rose1,767of 5,914; 1,769 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Norton Simon (NSI)+6.8%
Genentech Inc (DNA)+6.3%
Oryx Energy Company (ORX)+5.8%

Biggest falls among the 500 largest companies

Allergan (AGN)-15.3%
Delta Air Lines (DAL)-5.3%
American Airlines Group (AMR)-5.0%

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

‹ September 6, 1989 · Every September 7 · September 8, 1989 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.