Underfolio

Every trading day › 1987

The stock market on January 27, 1987

January 27, 1987, a Tuesday. The S&P 500 rose 1.54% to close at 273.75. Of 6,024 US stocks that traded, 2,390 rose and 1,504 fell.

The S&P 500+1.54%closed at 273.75
How big a move#2,942of 24,799 trading days since 1928
$100 in the index since$2,814price only, to September 24, 2026
Stocks that rose2,390of 6,024; 1,504 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Piedmont Aviation Inc+17.7%
Cray Research (CYR)+7.8%
Tandem Computers Inc (TDM.)+7.5%

Biggest falls among the 500 largest companies

Molex (MOLX)-5.6%
Pharmacia (PNU)-4.3%
Monsanto (MTC)-3.7%

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

‹ January 26, 1987 · Every January 27 · January 28, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.