Underfolio

Every trading day › 1983

The stock market on December 12, 1983

December 12, 1983, a Monday. The S&P 500 rose 0.33% to close at 165.62. Of 5,582 US stocks that traded, 1,465 rose and 1,850 fell.

The S&P 500+0.33%closed at 165.62
How big a move#15,914of 24,799 trading days since 1928
$100 in the index since$4,652price only, to September 24, 2026
Stocks that rose1,465of 5,582; 1,850 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Amerada Hess (AHC)+5.2%
Tsl Holdings Inc (TSLHQ)+5.2%
Financial Corp Of America+5.0%

Biggest falls among the 500 largest companies

American Express (AXP)-10.5%
Santa Fe Pacific Corp (SFX)-7.4%
Molex (MOLX)-5.1%

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

‹ December 9, 1983 · Every December 12 · December 13, 1983 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.