Underfolio

Every trading day › 1980

The stock market on December 10, 1980

December 10, 1980, a Wednesday. The S&P 500 fell 1.70% to close at 128.26. Of 4,672 US stocks that traded, 885 rose and 2,263 fell.

The S&P 500-1.70%closed at 128.26
How big a move#2,361of 24,799 trading days since 1928
$100 in the index since$6,007price only, to September 24, 2026
Stocks that rose885of 4,672; 2,263 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Houston Oil & Minerals (HOI)+8.1%
New Century Energies (NCE)+3.9%
Varco International-Old (VRC.Z)+3.8%

Biggest falls among the 500 largest companies

Wang Labs Inc (WANG)-10.3%
Asarco Inc (AR)-9.4%
Advanced Micro Devices (AMD)-9.1%

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

‹ December 9, 1980 · Every December 10 · December 11, 1980 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.