Underfolio

Every trading day › 1980

The stock market on December 19, 1980

December 19, 1980, a Friday. The S&P 500 rose 0.53% to close at 133.70. Of 4,679 US stocks that traded, 1,939 rose and 1,110 fell.

The S&P 500+0.53%closed at 133.70
How big a move#12,011of 24,799 trading days since 1928
$100 in the index since$5,762price only, to September 24, 2026
Stocks that rose1,939of 4,679; 1,110 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Bally Entertainment (BLY)+14.1%
Florida Progress+12.4%
General Motors (GM)+7.8%

Biggest falls among the 500 largest companies

Intel (INTC)-4.9%
Texas Instruments (TXN)-4.8%
Carnation (CMK)-4.4%

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

‹ December 18, 1980 · Every December 19 · December 22, 1980 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.