Underfolio

Every trading day › 1980

The stock market on December 8, 1980

December 8, 1980, a Monday. The S&P 500 fell 2.55% to close at 130.61. Of 4,668 US stocks that traded, 298 rose and 3,297 fell.

The S&P 500-2.55%closed at 130.61
How big a move#989of 24,799 trading days since 1928
$100 in the index since$5,899price only, to September 24, 2026
Stocks that rose298of 4,668; 3,297 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Nlt Corp (NLT)+9.3%
Duke Energy (DUK)+3.1%
Berkshire Hathaway (BRK)+1.6%

Biggest falls among the 500 largest companies

Petro-Lewis Corp-11.2%
Iu International Corp (IU)-8.4%
Valero Energy (VLO)-8.2%

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

‹ December 5, 1980 · Every December 8 · December 9, 1980 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.