Underfolio

Every trading day › 1981

The stock market on August 27, 1981

August 27, 1981, a Thursday. The S&P 500 fell 1.16% to close at 123.51. Of 4,982 US stocks that traded, 842 rose and 2,095 fell.

The S&P 500-1.16%closed at 123.51
How big a move#4,781of 24,799 trading days since 1928
$100 in the index since$6,238price only, to September 24, 2026
Stocks that rose842of 4,982; 2,095 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Bally Entertainment (BLY)+3.5%
Mgic Investment Corp (MGI)+2.9%
American Homes 4 Rent (AMH)+2.9%

Biggest falls among the 500 largest companies

Cities Service Co-8.6%
Southland Royalty Co (SRO)-8.6%
Superior Oil (SOC)-8.5%

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

‹ August 26, 1981 · Every August 27 · August 28, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.