Underfolio

Every trading day › 1980

The stock market on March 11, 1980

March 11, 1980, a Tuesday. The S&P 500 rose 1.19% to close at 107.78. Of 4,528 US stocks that traded, 1,677 rose and 909 fell.

The S&P 500+1.19%closed at 107.78
How big a move#4,598of 24,799 trading days since 1928
$100 in the index since$7,148price only, to September 24, 2026
Stocks that rose1,677of 4,528; 909 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Sundance Oil (SDN)+12.4%
7-Eleven Inc (SE)+10.5%

Biggest falls among the 500 largest companies

Placer Dome Inc (PDG)-5.9%
Textron (TXT)-4.7%
Texasgulf (TG)-4.7%

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

‹ March 10, 1980 · Every March 11 · March 12, 1980 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.