Underfolio

Every trading day › 1981

The stock market on July 23, 1981

July 23, 1981, a Thursday. The S&P 500 rose 0.21% to close at 127.40. Of 4,950 US stocks that traded, 1,178 rose and 1,809 fell.

The S&P 500+0.21%closed at 127.40
How big a move#18,696of 24,799 trading days since 1928
$100 in the index since$6,047price only, to September 24, 2026
Stocks that rose1,178of 4,950; 1,809 fell
Biggest companyAT&T Corporationby market value that day

Biggest rises among the 500 largest companies

Colt Industries (COT)+33.5%
Tenet Healthcare (THC)+6.9%
Cabot Corporation (CBT)+5.3%

Biggest falls among the 500 largest companies

American Financial Group, Inc. (AFG)-5.5%
First Interstate Bancorp (I)-4.5%
U.S. Bancorp (USB)-4.3%

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

‹ July 22, 1981 · Every July 23 · July 24, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.