Underfolio

Every trading day › 1980

The stock market on December 24, 1980

December 24, 1980, a Wednesday. The S&P 500 rose 0.43% to close at 135.88. Of 4,693 US stocks that traded, 1,628 rose and 1,321 fell.

The S&P 500+0.43%closed at 135.88
How big a move#13,779of 24,799 trading days since 1928
$100 in the index since$5,670price only, to September 24, 2026
Stocks that rose1,628of 4,693; 1,321 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Cray Research (CYR)+10.0%
Signal Companies (SGN)+5.8%
Rockwell Automation (ROK)+5.8%

Biggest falls among the 500 largest companies

Varco International-Old (VRC.Z)-5.4%
Phila Subn Cp (PSC)-4.3%
Eckerd (ECK)-4.3%

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

‹ December 23, 1980 · Every December 24 · December 26, 1980 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.