Underfolio

Every trading day › 1987

The stock market on October 6, 1987

October 6, 1987, a Tuesday. The S&P 500 fell 2.70% to close at 319.22. Of 6,390 US stocks that traded, 1,122 rose and 3,103 fell.

The S&P 500-2.70%closed at 319.22
How big a move#859of 24,799 trading days since 1928
$100 in the index since$2,413price only, to September 24, 2026
Stocks that rose1,122of 6,390; 3,103 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Jefferson-Pilot (JP)+5.5%
Rubbermaid Incorporated (RBD)+4.2%
Gillette (G)+3.3%

Biggest falls among the 500 largest companies

Emerson Electric (EMR)-9.4%
H&R Block (HRB)-7.9%
Dillard's (DDS)-7.9%

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

‹ October 5, 1987 · Every October 6 · October 7, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.