Underfolio

Every trading day › 1985

The stock market on May 24, 1985

May 24, 1985, a Friday. The S&P 500 rose 0.37% to close at 188.29. Of 5,717 US stocks that traded, 1,828 rose and 1,499 fell.

The S&P 500+0.37%closed at 188.29
How big a move#15,042of 24,799 trading days since 1928
$100 in the index since$4,092price only, to September 24, 2026
Stocks that rose1,828of 5,717; 1,499 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Eckerd (ECK)+5.8%
Quantum Chemical (CUE)+5.5%
Ual Corp. (UAL)+5.1%

Biggest falls among the 500 largest companies

Apple (AAPL)-8.2%
American Medical Int'l (AMI)-3.5%
Avnet (AVT)-3.3%

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

‹ May 23, 1985 · Every May 24 · May 28, 1985 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.