Underfolio

Every trading day › 1984

The stock market on December 10, 1984

December 10, 1984, a Monday. The S&P 500 rose 0.35% to close at 162.83. Of 5,745 US stocks that traded, 1,474 rose and 1,777 fell.

The S&P 500+0.35%closed at 162.83
How big a move#15,387of 24,799 trading days since 1928
$100 in the index since$4,731price only, to September 24, 2026
Stocks that rose1,474of 5,745; 1,777 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

H.F. Ahmanson (AHM)+4.4%
Bethlehem Steel+4.3%
7-Eleven Inc (SE)+3.9%

Biggest falls among the 500 largest companies

Usg Corp. (USG)-5.8%
Texas Instruments (TXN)-4.4%
Union Carbide-4.4%

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

‹ December 7, 1984 · Every December 10 · December 11, 1984 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.