Underfolio

Every trading day › 1981

The stock market on July 27, 1981

July 27, 1981, a Monday. The S&P 500 rose 1.12% to close at 129.90. Of 4,948 US stocks that traded, 1,926 rose and 1,104 fell.

The S&P 500+1.12%closed at 129.90
How big a move#5,061of 24,799 trading days since 1928
$100 in the index since$5,931price only, to September 24, 2026
Stocks that rose1,926of 4,948; 1,104 fell
Biggest companyAT&T Corporationby market value that day

Biggest rises among the 500 largest companies

Combustion Engineering (CSP)+7.6%
Sears Holdings (SHLDQ)+7.2%
Petrolane Inc (PTO)+5.4%

Biggest falls among the 500 largest companies

Computervision Corp (CVN)-4.6%
USLIFE Corporation (USH)-3.5%
CBS Corporation (CBS)-3.0%

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

‹ July 24, 1981 · Every July 27 · July 28, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.