Underfolio

Every trading day › 1986

The stock market on January 23, 1986

January 23, 1986, a Thursday. The S&P 500 rose 0.37% to close at 204.25. Of 5,720 US stocks that traded, 1,873 rose and 1,705 fell.

The S&P 500+0.37%closed at 204.25
How big a move#14,942of 24,799 trading days since 1928
$100 in the index since$3,772price only, to September 24, 2026
Stocks that rose1,873of 5,720; 1,705 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

YRC Worldwide (YELL)+4.9%
Beneficial (BNL)+4.8%
Blockbuster (BBI)+4.5%

Biggest falls among the 500 largest companies

Ocean Drilling & Exploration (ODR)-6.9%
Merrill Lynch (MER)-5.8%
Fort James (FJ)-3.4%

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

‹ January 22, 1986 · Every January 23 · January 24, 1986 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.