Underfolio

Every trading day › 1983

The stock market on January 12, 1983

January 12, 1983, a Wednesday. The S&P 500 rose 0.62% to close at 146.69. Of 5,020 US stocks that traded, 2,085 rose and 1,127 fell.

The S&P 500+0.62%closed at 146.69
How big a move#10,371of 24,799 trading days since 1928
$100 in the index since$5,252price only, to September 24, 2026
Stocks that rose2,085of 5,020; 1,127 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Milacron (MZIAQ)+8.1%
Tandem Computers Inc (TDM.)+7.8%
Browning-Ferris Industries (BFI.)+7.4%

Biggest falls among the 500 largest companies

Foot Locker (Z)-6.3%
Husky Oil Ltd (HYO)-6.3%
PPG Industries (PPG)-4.0%

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

‹ January 11, 1983 · Every January 12 · January 13, 1983 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.