Underfolio

Every trading day › 1981

The stock market on June 12, 1981

June 12, 1981, a Friday. The S&P 500 fell 0.19% to close at 133.49. Of 4,875 US stocks that traded, 1,723 rose and 1,391 fell.

The S&P 500-0.19%closed at 133.49
How big a move#19,203of 24,799 trading days since 1928
$100 in the index since$5,771price only, to September 24, 2026
Stocks that rose1,723of 4,875; 1,391 fell
Biggest companyAT&T Corporationby market value that day

Biggest rises among the 500 largest companies

Beckman Coulter (BEC)+10.4%
Walker (hiram) Resources Ltd (HWR.)+8.6%
Aquitaine Co Canada Ltd (AQC)+8.2%

Biggest falls among the 500 largest companies

Western Co Of No Amer (WSN.)-6.4%
Navistar International (NAV)-5.7%
Tom Brown Inc (TMBR)-5.1%

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

‹ June 11, 1981 · Every June 12 · June 15, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.