Underfolio

Every trading day › 1980

The stock market on February 12, 1980

February 12, 1980, a Tuesday. The S&P 500 rose 0.67% to close at 117.90. Of 4,514 US stocks that traded, 1,274 rose and 1,367 fell.

The S&P 500+0.67%closed at 117.90
How big a move#9,759of 24,799 trading days since 1928
$100 in the index since$6,534price only, to September 24, 2026
Stocks that rose1,274of 4,514; 1,367 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Valero Energy (VLO)+10.6%
American Homes 4 Rent (AMH)+9.6%
Georgia-Pacific (GP)+9.3%

Biggest falls among the 500 largest companies

Noram Energy Corp-5.4%
Intl. Flavors & Frag. (IFF)-4.8%
Goodyear Tire & Rubber (GT)-3.7%

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

‹ February 11, 1980 · Every February 12 · February 13, 1980 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.