Underfolio

Every trading day › 1981

The stock market on March 23, 1981

March 23, 1981, a Monday. The S&P 500 rose 1.20% to close at 135.69. Of 4,741 US stocks that traded, 1,916 rose and 1,153 fell.

The S&P 500+1.20%closed at 135.69
How big a move#4,550of 24,799 trading days since 1928
$100 in the index since$5,678price only, to September 24, 2026
Stocks that rose1,916of 4,741; 1,153 fell
Biggest companyAT&T Corporationby market value that day

Biggest rises among the 500 largest companies

Oregon Metallurgical Corp (OREM)+10.0%
Humana (HUM)+8.5%
Cray Research (CYR)+7.9%

Biggest falls among the 500 largest companies

Scott Paper (SPP)-15.2%
Norton Simon Inc-6.5%
Cessna Aircraft Co (CEA)-4.4%

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

‹ March 20, 1981 · Every March 23 · March 24, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.