Underfolio

Every trading day › 1979

The stock market on December 18, 1979

December 18, 1979, a Tuesday. The S&P 500 fell 0.94% to close at 108.30. Of 4,519 US stocks that traded, 887 rose and 1,636 fell.

The S&P 500-0.94%closed at 108.30
How big a move#6,562of 24,799 trading days since 1928
$100 in the index since$7,114price only, to September 24, 2026
Stocks that rose887of 4,519; 1,636 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Homestake Mining (HM)+6.8%
Dome Mines (DM)+4.9%
Carnation (CMK)+4.7%

Biggest falls among the 500 largest companies

Mesa Inc (MXP.)-6.8%
Be Holdings Inc -cl A-5.3%

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

‹ December 17, 1979 · Every December 18 · December 19, 1979 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.