Underfolio

Every trading day › 1980

The stock market on March 18, 1980

March 18, 1980, a Tuesday. The S&P 500 rose 1.80% to close at 104.10. Of 4,546 US stocks that traded, 1,095 rose and 1,835 fell.

The S&P 500+1.80%closed at 104.10
How big a move#2,098of 24,799 trading days since 1928
$100 in the index since$7,401price only, to September 24, 2026
Stocks that rose1,095of 4,546; 1,835 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Placer Dome Inc (PDG)+9.8%
Gulf (GO)+9.3%
Dome Petroleum Ltd (DMP)+8.6%

Biggest falls among the 500 largest companies

Raychem Corp (RYC.)-5.6%
Storage Technology (STK)-5.5%
Chrysler Corp (C)-5.0%

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

‹ March 17, 1980 · Every March 18 · March 19, 1980 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.