Underfolio

Every trading day › 1987

The stock market on December 30, 1987

December 30, 1987, a Wednesday. The S&P 500 rose 1.34% to close at 247.86. Of 6,321 US stocks that traded, 2,473 rose and 1,504 fell.

The S&P 500+1.34%closed at 247.86
How big a move#3,842of 24,799 trading days since 1928
$100 in the index since$3,108price only, to September 24, 2026
Stocks that rose2,473of 6,321; 1,504 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Toys R Us (TOY)+9.1%
MCI Communications (MCIC.)+6.9%
Fluor (FLR)+6.9%

Biggest falls among the 500 largest companies

Manufactures Hanover (MHC)-5.9%
Cordant Technologies Inc (CDD)-3.7%
McKesson (MCK)-3.3%

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

‹ December 29, 1987 · Every December 30 · December 31, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.