Underfolio

Every trading day › 1984

The stock market on January 9, 1984

January 9, 1984, a Monday. The S&P 500 fell 0.22% to close at 168.90. Of 5,622 US stocks that traded, 1,785 rose and 1,699 fell.

The S&P 500-0.22%closed at 168.90
How big a move#18,400of 24,799 trading days since 1928
$100 in the index since$4,561price only, to September 24, 2026
Stocks that rose1,785of 5,622; 1,699 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Getty Oil (GET)+13.5%
Stanley Black & Decker (SWK)+5.9%
Archer Daniels Midland (ADM)+5.4%

Biggest falls among the 500 largest companies

Tsl Holdings Inc (TSLHQ)-6.2%
Pennzoil (PZE)-5.9%
Apple (AAPL)-5.4%

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

‹ January 6, 1984 · Every January 9 · January 10, 1984 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.