Underfolio

Every trading day › 1979

The stock market on August 16, 1979

August 16, 1979, a Thursday. The S&P 500 fell 0.15% to close at 108.09. Of 4,512 US stocks that traded, 1,210 rose and 1,313 fell.

The S&P 500-0.15%closed at 108.09
How big a move#20,526of 24,799 trading days since 1928
$100 in the index since$7,128price only, to September 24, 2026
Stocks that rose1,210of 4,512; 1,313 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Mitchell Energy & Devel. (MND)+5.6%
Homestake Mining (HM)+5.2%

Biggest falls among the 500 largest companies

Houston Oil & Minerals (HOI)-5.3%
Mgic Investment Corp (MGI)-4.8%
Spelling Entertnmt Grp Inc (SP)-4.8%

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

‹ August 15, 1979 · Every August 16 · August 17, 1979 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.