Underfolio

Every trading day › 1991

The stock market on August 9, 1991

August 9, 1991, a Friday. The S&P 500 fell 0.57% to close at 387.12. Of 5,721 US stocks that traded, 1,581 rose and 1,910 fell.

The S&P 500-0.57%closed at 387.12
How big a move#11,327of 24,799 trading days since 1928
$100 in the index since$1,990price only, to September 24, 2026
Stocks that rose1,581of 5,721; 1,910 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Turner Broadcasting (TBS.B)+3.4%
Borden Chemical+3.2%
Gap, Inc. (The) (GPS)+2.9%

Biggest falls among the 500 largest companies

Transitional Hospitals Cp (THY)-8.1%
Giant Food (GFS.A)-6.2%
CBS Corporation (CBS)-6.2%

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

‹ August 8, 1991 · Every August 9 · August 12, 1991 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.