Underfolio

Every trading day › 1979

The stock market on February 12, 1979

February 12, 1979, a Monday. The S&P 500 rose 0.34% to close at 98.20. Of 4,524 US stocks that traded, 1,103 rose and 1,199 fell.

The S&P 500+0.34%closed at 98.20
How big a move#15,671of 24,799 trading days since 1928
$100 in the index since$7,845price only, to September 24, 2026
Stocks that rose1,103of 4,524; 1,199 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Mapco (MDA)+7.6%
Liggett Group Inc-Old+5.9%
Dome Petroleum Ltd (DMP)+5.6%

Biggest falls among the 500 largest companies

Griffin GAMING&ENTMT (GGE)-4.3%
Holiday Corp. (HIA)-3.0%
Sundstrand Corp (SNS)-2.7%

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

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

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.