Underfolio

Every trading day › 1988

The stock market on December 6, 1988

December 6, 1988, a Tuesday. The S&P 500 rose 0.97% to close at 277.59. Of 6,099 US stocks that traded, 2,052 rose and 1,563 fell.

The S&P 500+0.97%closed at 277.59
How big a move#6,319of 24,799 trading days since 1928
$100 in the index since$2,775price only, to September 24, 2026
Stocks that rose2,052of 6,099; 1,563 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

CR Bard (BCR)+5.0%
Smithkline Beckman Corp (SKB)+4.6%
Rohm & Haas (ROH)+4.3%

Biggest falls among the 500 largest companies

KeySpan (KSE)-10.9%
American Medical Int'l (AMI)-4.1%
IKON Office Solutions (IKN)-3.5%

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

‹ December 5, 1988 · Every December 6 · December 7, 1988 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.