Underfolio

Every trading day › 1987

The stock market on June 17, 1987

June 17, 1987, a Wednesday. The S&P 500 rose 0.02% to close at 304.81. Of 6,228 US stocks that traded, 1,999 rose and 1,905 fell.

The S&P 500+0.02%closed at 304.81
How big a move#24,175of 24,799 trading days since 1928
$100 in the index since$2,528price only, to September 24, 2026
Stocks that rose1,999of 6,228; 1,905 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Home Shopping Network+19.1%
Gillette (G)+8.8%
Intergraph Corp (INGR.)+6.6%

Biggest falls among the 500 largest companies

Genentech Inc (DNA)-8.6%
Sonoco Products (SON)-4.9%
Dome Mines (DM)-4.7%

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

‹ June 16, 1987 · Every June 17 · June 18, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.