Underfolio

Every trading day › 1980

The stock market on December 22, 1980

December 22, 1980, a Monday. The S&P 500 rose 1.56% to close at 135.78. Of 4,683 US stocks that traded, 2,065 rose and 991 fell.

The S&P 500+1.56%closed at 135.78
How big a move#2,849of 24,799 trading days since 1928
$100 in the index since$5,674price only, to September 24, 2026
Stocks that rose2,065of 4,683; 991 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Sears Holdings (SHLDQ)+12.6%
Norton Simon Inc+11.6%
JCPenney (JCP)+10.5%

Biggest falls among the 500 largest companies

Unocal Corporation (UCL)-4.9%
Texas Oil & Gas (TXO)-4.2%
Avnet (AVT)-4.1%

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

‹ December 19, 1980 · Every December 22 · December 23, 1980 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.