Underfolio

Every trading day › 1989

The stock market on August 25, 1989

August 25, 1989, a Friday. The S&P 500 fell 0.28% to close at 350.52. Of 5,920 US stocks that traded, 1,783 rose and 1,781 fell.

The S&P 500-0.28%closed at 350.52
How big a move#16,897of 24,799 trading days since 1928
$100 in the index since$2,198price only, to September 24, 2026
Stocks that rose1,783of 5,920; 1,781 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Owens Corning (OWC)+5.1%
ConocoPhillips (P)+4.9%
Flagstar Corp+4.1%

Biggest falls among the 500 largest companies

Campbell Soup (CPB)-6.1%
Niagara Mohawk Power (NMK)-5.1%
Maytag (MYG)-4.7%

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

‹ August 24, 1989 · Every August 25 · August 28, 1989 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.