Underfolio

Every trading day › 1987

The stock market on January 21, 1987

January 21, 1987, a Wednesday. The S&P 500 fell 0.45% to close at 267.84. Of 6,020 US stocks that traded, 1,449 rose and 2,551 fell.

The S&P 500-0.45%closed at 267.84
How big a move#13,454of 24,799 trading days since 1928
$100 in the index since$2,876price only, to September 24, 2026
Stocks that rose1,449of 6,020; 2,551 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Hillenbrand Ind (HB)+6.7%
State Street Corp. (STT)+6.3%
Pitney Bowes (PBI)+5.0%

Biggest falls among the 500 largest companies

Home Shopping Network-11.1%
Pall Corporation (PLL)-7.5%
Intergraph Corp (INGR.)-6.1%

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

‹ January 20, 1987 · Every January 21 · January 22, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.