Underfolio

Every trading day › 1984

The stock market on June 18, 1984

June 18, 1984, a Monday. The S&P 500 rose 1.81% to close at 151.73. Of 5,789 US stocks that traded, 1,886 rose and 1,317 fell.

The S&P 500+1.81%closed at 151.73
How big a move#2,075of 24,799 trading days since 1928
$100 in the index since$5,078price only, to September 24, 2026
Stocks that rose1,886of 5,789; 1,317 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for5stocks

Biggest rises among the 500 largest companies

Torchmark Cp (TMK)+10.5%
Entergy (ETR)+10.0%
Genuine Parts (GPC)+8.5%

Biggest falls among the 500 largest companies

Temple-Inland (TIN)-4.1%
Sedco (SED)-3.5%
Ltv Corp (LTVCQ)-3.0%

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

‹ June 15, 1984 · Every June 18 · June 19, 1984 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.