Underfolio

Every trading day › 1981

The stock market on July 13, 1981

July 13, 1981, a Monday. The S&P 500 rose 0.21% to close at 129.64. Of 4,921 US stocks that traded, 1,529 rose and 1,414 fell.

The S&P 500+0.21%closed at 129.64
How big a move#18,793of 24,799 trading days since 1928
$100 in the index since$5,943price only, to September 24, 2026
Stocks that rose1,529of 4,921; 1,414 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Conoco (CLL)+9.5%
Mitchell Energy & Devel. (MND)+8.8%
Txu Gas Co+5.2%

Biggest falls among the 500 largest companies

American Homes 4 Rent (AMH)-4.0%
Superior Oil (SOC)-3.8%
Wang Labs Inc (WANG)-3.8%

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

‹ July 10, 1981 · Every July 13 · July 14, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.