Underfolio

Every trading day › 1982

The stock market on August 12, 1982

August 12, 1982, a Thursday. The S&P 500 fell 0.18% to close at 102.42. Of 5,022 US stocks that traded, 1,036 rose and 1,578 fell.

The S&P 500-0.18%closed at 102.42
How big a move#19,720of 24,799 trading days since 1928
$100 in the index since$7,522price only, to September 24, 2026
Stocks that rose1,036of 5,022; 1,578 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Sabine Corp (SAB)+5.5%
Kerr-McGee (KMG)+5.0%
Great Western Financial (GWF.)+4.8%

Biggest falls among the 500 largest companies

Chemical Banking Corporation (CMB)-9.5%
Mapco (MDA)-8.6%
Southland Royalty Co (SRO)-8.3%

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

‹ August 11, 1982 · Every August 12 · August 13, 1982 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.