Underfolio

Every trading day › 1989

The stock market on August 11, 1989

August 11, 1989, a Friday. The S&P 500 fell 1.01% to close at 344.74. Of 5,937 US stocks that traded, 1,552 rose and 2,086 fell.

The S&P 500-1.01%closed at 344.74
How big a move#5,978of 24,799 trading days since 1928
$100 in the index since$2,235price only, to September 24, 2026
Stocks that rose1,552of 5,937; 2,086 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Turner Broadcasting (TBS.B)+5.7%
Armstrong Holdings (ACK)+5.1%
Foot Locker (Z)+3.1%

Biggest falls among the 500 largest companies

Tandem Computers Inc (TDM.)-5.5%
McDonald's (MCD)-5.0%
Delta Air Lines (DAL)-4.9%

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

‹ August 10, 1989 · Every August 11 · August 14, 1989 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.