Underfolio

Every trading day › 1987

The stock market on January 19, 1987

January 19, 1987, a Monday. The S&P 500 rose 1.15% to close at 269.34. Of 6,019 US stocks that traded, 2,166 rose and 1,728 fell.

The S&P 500+1.15%closed at 269.34
How big a move#4,858of 24,799 trading days since 1928
$100 in the index since$2,860price only, to September 24, 2026
Stocks that rose2,166of 6,019; 1,728 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Home Shopping Network+22.6%
Tandem Computers Inc (TDM.)+17.0%
Seagate Technology (SEG)+11.8%

Biggest falls among the 500 largest companies

Con-way (CNF)-3.1%
I M S International Inc (IMSI.)-3.1%
Ich Corp (ICHP)-2.8%

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

‹ January 16, 1987 · Every January 19 · January 20, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.