Underfolio

Every trading day › 1989

The stock market on August 8, 1989

August 8, 1989, a Tuesday. The S&P 500 fell 0.02% to close at 349.35. Of 5,937 US stocks that traded, 1,890 rose and 1,742 fell.

The S&P 500-0.02%closed at 349.35
How big a move#24,161of 24,799 trading days since 1928
$100 in the index since$2,205price only, to September 24, 2026
Stocks that rose1,890of 5,937; 1,742 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Wang Labs Inc (WANG)+19.6%
Armco Inc (AS.)+6.2%
Campbell Soup (CPB)+5.6%

Biggest falls among the 500 largest companies

Dreyfus Corp (DRY)-4.9%
Navistar International (NAV)-4.5%
Walmart (WMT)-4.1%

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

‹ August 7, 1989 · Every August 8 · August 9, 1989 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.