Underfolio

Every trading day › 1982

The stock market on September 9, 1982

September 9, 1982, a Thursday. The S&P 500 fell 0.19% to close at 121.97. Of 5,014 US stocks that traded, 1,684 rose and 1,178 fell.

The S&P 500-0.19%closed at 121.97
How big a move#19,373of 24,799 trading days since 1928
$100 in the index since$6,316price only, to September 24, 2026
Stocks that rose1,684of 5,014; 1,178 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for4stocks

Biggest rises among the 500 largest companies

Pioneer Corp-Texas (PNA)+13.7%
Dome Petroleum Ltd (DMP)+13.0%
Union Pacific (UNP)+6.0%

Biggest falls among the 500 largest companies

Sperry (SY)-8.4%
Storage Technology (STK)-7.3%
Campbell Red Lake Mines (CRK)-6.2%

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

‹ September 8, 1982 · Every September 9 · September 10, 1982 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.