Underfolio

Every trading day › 1981

The stock market on September 1, 1981

September 1, 1981, a Tuesday. The S&P 500 rose 0.19% to close at 123.02. Of 4,989 US stocks that traded, 1,035 rose and 2,028 fell.

The S&P 500+0.19%closed at 123.02
How big a move#19,394of 24,799 trading days since 1928
$100 in the index since$6,263price only, to September 24, 2026
Stocks that rose1,035of 4,989; 2,028 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Southland Royalty Co (SRO)+12.2%
Dome Petroleum Ltd (DMP)+6.7%
Apple (AAPL)+6.2%

Biggest falls among the 500 largest companies

Lubrizol (LZ)-4.3%
McDonnell Douglas (MD)-4.1%
Santa Fe Pacific Corp (SFX)-4.0%

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

‹ August 31, 1981 · Every September 1 · September 2, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.