Underfolio

Every trading day › 1980

The stock market on June 18, 1980

June 18, 1980, a Wednesday. The S&P 500 rose 0.20% to close at 116.26. Of 4,532 US stocks that traded, 1,104 rose and 1,279 fell.

The S&P 500+0.20%closed at 116.26
How big a move#19,094of 24,799 trading days since 1928
$100 in the index since$6,627price only, to September 24, 2026
Stocks that rose1,104of 4,532; 1,279 fell
Biggest companyAT&T Corporationby market value that day

Biggest rises among the 500 largest companies

Mgm Grand Hotels Inc (GRH)+8.5%
Houston Oil & Minerals (HOI)+5.4%
General American Oil Co Tx (GAO)+5.2%

Biggest falls among the 500 largest companies

Delhi Intl Oil Corp (DLH)-4.8%
Bankers Trust (BT)-4.1%
Petrolane Inc (PTO)-3.9%

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

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

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.