Underfolio

Every trading day › 1987

The stock market on July 10, 1987

July 10, 1987, a Friday. The S&P 500 rose 0.28% to close at 308.37. Of 6,272 US stocks that traded, 2,009 rose and 1,824 fell.

The S&P 500+0.28%closed at 308.37
How big a move#17,081of 24,799 trading days since 1928
$100 in the index since$2,498price only, to September 24, 2026
Stocks that rose2,009of 6,272; 1,824 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Mca Inc. (MCA)+10.2%
RiteAid (RAD)+7.3%
Parker-Hannifin (PH)+6.9%

Biggest falls among the 500 largest companies

Sun Microsystems (SUNW)-5.3%
Eex Corp (EEX)-4.5%
Providian Corp (PVN)-3.2%

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

‹ July 9, 1987 · Every July 10 · July 13, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.