Underfolio

Every trading day › 1979

The stock market on March 12, 1979

March 12, 1979, a Monday. The S&P 500 rose 0.13% to close at 99.67. Of 4,451 US stocks that traded, 1,189 rose and 1,183 fell.

The S&P 500+0.13%closed at 99.67
How big a move#20,960of 24,799 trading days since 1928
$100 in the index since$7,730price only, to September 24, 2026
Stocks that rose1,189of 4,451; 1,183 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Canadian Superior Oil (CDS)+19.4%
Sunbeam Corp+5.7%
Asarco Inc (AR)+5.5%

Biggest falls among the 500 largest companies

Usg Corp. (USG)-6.7%
Dana (DAN)-5.6%
Eastern Enterprises (EFU)-3.0%

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

‹ March 9, 1979 · Every March 12 · March 13, 1979 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.