Underfolio

Every trading day › 1987

The stock market on August 7, 1987

August 7, 1987, a Friday. The S&P 500 rose 0.28% to close at 323.00. Of 6,307 US stocks that traded, 2,227 rose and 1,803 fell.

The S&P 500+0.28%closed at 323.00
How big a move#16,946of 24,799 trading days since 1928
$100 in the index since$2,385price only, to September 24, 2026
Stocks that rose2,227of 6,307; 1,803 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Intergraph Corp (INGR.)+8.5%
Comdisco Holding Co Inc (CDCO)+6.4%
Electronic Data Systems (EDS.)+6.0%

Biggest falls among the 500 largest companies

Homestake Mining (HM)-2.9%
Murphy Oil Corporation (MUR)-2.7%
Entergy (ETR)-2.6%

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

‹ August 6, 1987 · Every August 7 · August 10, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.