Underfolio

Every trading day › 1981

The stock market on July 17, 1981

July 17, 1981, a Friday. The S&P 500 rose 0.32% to close at 130.76. Of 4,937 US stocks that traded, 1,635 rose and 1,203 fell.

The S&P 500+0.32%closed at 130.76
How big a move#16,052of 24,799 trading days since 1928
$100 in the index since$5,892price only, to September 24, 2026
Stocks that rose1,635of 4,937; 1,203 fell
Biggest companyAT&T Corporationby market value that day

Biggest rises among the 500 largest companies

Supron Energy Corp (SUE)+11.3%
Natomas Co (NOM)+8.4%
Phoenix Resource Cos (PHN)+8.2%

Biggest falls among the 500 largest companies

Eastern Enterprises (EFU)-12.6%
Wheelabrator Frye (WFI)-3.7%
Rockwell Automation (ROK)-3.5%

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

‹ July 16, 1981 · Every July 17 · July 20, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.