Underfolio

Every trading day › 1981

The stock market on December 31, 1981

December 31, 1981, a Thursday. The S&P 500 rose 0.20% to close at 122.55. Of 5,053 US stocks that traded, 1,954 rose and 1,015 fell.

The S&P 500+0.20%closed at 122.55
How big a move#18,910of 24,799 trading days since 1928
$100 in the index since$6,287price only, to September 24, 2026
Stocks that rose1,954of 5,053; 1,015 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for7stocks

Biggest rises among the 500 largest companies

CNA Financial Corporation (CNA)+14.3%
Sedco (SED)+6.5%
Armco Inc (AS.)+5.7%

Biggest falls among the 500 largest companies

Salomon-3.7%
Ual Corp. (UAL)-3.6%
Heinz (HNZ)-3.5%

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

‹ December 30, 1981 · Every December 31 · January 4, 1982 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.