Underfolio

Every trading day › 1981

The stock market on August 4, 1981

August 4, 1981, a Tuesday. The S&P 500 rose 0.54% to close at 131.18. Of 4,966 US stocks that traded, 1,296 rose and 1,631 fell.

The S&P 500+0.54%closed at 131.18
How big a move#11,823of 24,799 trading days since 1928
$100 in the index since$5,873price only, to September 24, 2026
Stocks that rose1,296of 4,966; 1,631 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Salomon+10.7%
Tosco (TOS)+10.4%
Kirby Corporation (KEX)+7.9%

Biggest falls among the 500 largest companies

Placer Dome Inc (PDG)-6.6%
Phoenix Resource Cos (PHN)-4.2%
Ina Corp (INA)-4.0%

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

‹ August 3, 1981 · Every August 4 · August 5, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.