Underfolio

Every trading day › 1985

The stock market on July 18, 1985

July 18, 1985, a Thursday. The S&P 500 fell 0.65% to close at 194.38. Of 5,694 US stocks that traded, 1,480 rose and 1,949 fell.

The S&P 500-0.65%closed at 194.38
How big a move#9,997of 24,799 trading days since 1928
$100 in the index since$3,963price only, to September 24, 2026
Stocks that rose1,480of 5,694; 1,949 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Searle G D & (SRL)+6.7%
Dresser Industries Inc (DI.)+5.7%
Eex Corp (EEX)+5.5%

Biggest falls among the 500 largest companies

H.F. Ahmanson (AHM)-6.5%
Providian Corp (PVN)-5.1%
American Financial Group, Inc. (AFG)-5.0%

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

‹ July 17, 1985 · Every July 18 · July 19, 1985 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.