Underfolio

Every trading day › 1991

The stock market on August 28, 1991

August 28, 1991, a Wednesday. The S&P 500 rose 0.91% to close at 396.64. Of 5,734 US stocks that traded, 2,203 rose and 1,409 fell.

The S&P 500+0.91%closed at 396.64
How big a move#6,837of 24,799 trading days since 1928
$100 in the index since$1,942price only, to September 24, 2026
Stocks that rose2,203of 5,734; 1,409 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Chrysler Corp (C)+8.5%
McDonnell Douglas (MD)+6.9%
Oryx Energy Company (ORX)+6.3%

Biggest falls among the 500 largest companies

Giant Food (GFS.A)-5.8%
Traveleres Corp. (TIC)-3.3%
American Homes 4 Rent (AMH)-2.7%

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

‹ August 27, 1991 · Every August 28 · August 29, 1991 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.