Underfolio

Every trading day › 1988

The stock market on January 20, 1988

January 20, 1988, a Wednesday. The S&P 500 fell 2.68% to close at 242.63. Of 6,301 US stocks that traded, 914 rose and 3,120 fell.

The S&P 500-2.68%closed at 242.63
How big a move#874of 24,799 trading days since 1928
$100 in the index since$3,175price only, to September 24, 2026
Stocks that rose914of 6,301; 3,120 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for4stocks

Biggest rises among the 500 largest companies

Bestfoods (BFO)+5.0%
Noram Energy Corp+3.3%
Hutton (E.F.) Group (EFH)+2.6%

Biggest falls among the 500 largest companies

Motorola Solutions (MOT)-9.9%
Intergraph Corp (INGR.)-9.4%
Intel (INTC)-9.1%

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

‹ January 19, 1988 · Every January 20 · January 21, 1988 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.