Underfolio

Every trading day › 1977

The stock market on December 15, 1977

December 15, 1977, a Thursday. The S&P 500 fell 0.51% to close at 93.55. Of 4,621 US stocks that traded, 1,135 rose and 1,168 fell.

The S&P 500-0.51%closed at 93.55
How big a move#12,275of 24,799 trading days since 1928
$100 in the index since$8,235price only, to September 24, 2026
Stocks that rose1,135of 4,621; 1,168 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Texasgulf (TG)+6.6%
Southwestern Public Svc Co+2.5%
Columbus Southern Power Corp+2.4%

Biggest falls among the 500 largest companies

Broadway Stores Inc (BWY)-3.8%
Mcdermott Intl Inc (MDRIQ)-3.7%
American Cyanamid (ACY)-3.6%

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

‹ December 14, 1977 · Every December 15 · December 16, 1977 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.