Underfolio

Every trading day › 1985

The stock market on December 23, 1985

December 23, 1985, a Monday. The S&P 500 fell 1.12% to close at 208.57. Of 5,749 US stocks that traded, 1,341 rose and 2,400 fell.

The S&P 500-1.12%closed at 208.57
How big a move#5,040of 24,799 trading days since 1928
$100 in the index since$3,694price only, to September 24, 2026
Stocks that rose1,341of 5,749; 2,400 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Nabisco Group Holdings (NGH)+5.6%
Altria Group (MO)+4.9%
Loews (LTR)+3.5%

Biggest falls among the 500 largest companies

NL Industries, Inc. (NL)-6.0%
Providian Corp (PVN)-5.6%
Southern New Eng Telecomm (SNG)-5.5%

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

‹ December 20, 1985 · Every December 23 · December 24, 1985 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.