Underfolio

Every trading day › 1986

The stock market on December 26, 1986

December 26, 1986, a Friday. The S&P 500 rose 0.07% to close at 246.92. Of 6,044 US stocks that traded, 1,858 rose and 1,511 fell.

The S&P 500+0.07%closed at 246.92
How big a move#22,791of 24,799 trading days since 1928
$100 in the index since$3,120price only, to September 24, 2026
Stocks that rose1,858of 6,044; 1,511 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for10stocks

Biggest rises among the 500 largest companies

Merck (MRK)+4.7%
Aflac (AFL)+4.5%
Pfizer (PFE)+3.3%

Biggest falls among the 500 largest companies

Lucky Stores (LKS)-3.6%
PNC Financial Services (PNC)-2.6%
Apple (AAPL)-2.1%

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

‹ December 24, 1986 · Every December 26 · December 29, 1986 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.