Underfolio

Every trading day › 1986

The stock market on January 10, 1986

January 10, 1986, a Friday. The S&P 500 fell 0.07% to close at 205.96. Of 5,714 US stocks that traded, 1,926 rose and 1,608 fell.

The S&P 500-0.07%closed at 205.96
How big a move#22,671of 24,799 trading days since 1928
$100 in the index since$3,741price only, to September 24, 2026
Stocks that rose1,926of 5,714; 1,608 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

KeySpan (KSE)+11.1%
American General (AGC)+7.0%
Transco Energy (E)+7.0%

Biggest falls among the 500 largest companies

M G M U A Entertainment (MGM)-7.7%
Pioneer Hi-Bred International, Inc. (PHB)-5.4%
Norstar Bancorp Inc (NOR)-5.2%

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

‹ January 9, 1986 · Every January 10 · January 13, 1986 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.