Underfolio

Every trading day › 1986

The stock market on May 30, 1986

May 30, 1986, a Friday. The S&P 500 fell 0.25% to close at 247.35. Of 5,801 US stocks that traded, 1,972 rose and 1,740 fell.

The S&P 500-0.25%closed at 247.35
How big a move#17,616of 24,799 trading days since 1928
$100 in the index since$3,115price only, to September 24, 2026
Stocks that rose1,972of 5,801; 1,740 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

UST Inc. (UST)+7.6%
Ethyl (NEU)+6.8%
Delhaize America Inc+5.1%

Biggest falls among the 500 largest companies

Chrysler Corp (C)-4.5%
Parker-Hannifin (PH)-4.4%
RiteAid (RAD)-4.3%

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

‹ May 29, 1986 · Every May 30 · June 2, 1986 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.