Underfolio

Every trading day › 1980

The stock market on June 20, 1980

June 20, 1980, a Friday. The S&P 500 fell 0.52% to close at 114.06. Of 4,538 US stocks that traded, 943 rose and 1,479 fell.

The S&P 500-0.52%closed at 114.06
How big a move#12,075of 24,799 trading days since 1928
$100 in the index since$6,754price only, to September 24, 2026
Stocks that rose943of 4,538; 1,479 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Chrysler Corp (C)+11.8%
Nvf Co+11.6%
Mesa Inc (MXP.)+8.8%

Biggest falls among the 500 largest companies

Cameron Iron Works (CIW)-7.5%
Union Pacific (UNP)-4.4%
Marathon Oil Corporation (MRO)-4.2%

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

‹ June 19, 1980 · Every June 20 · June 23, 1980 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.