Underfolio

Every trading day › 1985

The stock market on January 11, 1985

January 11, 1985, a Friday. The S&P 500 fell 0.24% to close at 167.91. Of 5,742 US stocks that traded, 1,930 rose and 1,287 fell.

The S&P 500-0.24%closed at 167.91
How big a move#18,036of 24,799 trading days since 1928
$100 in the index since$4,588price only, to September 24, 2026
Stocks that rose1,930of 5,742; 1,287 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

RiteAid (RAD)+5.0%
M/a-com (MAI)+4.7%
AbitibiBowater (BOW)+4.7%

Biggest falls among the 500 largest companies

Texas Oil & Gas (TXO)-3.5%
Ltv Corp (LTVCQ)-3.2%
Combustion Engineering (CSP)-3.1%

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

‹ January 10, 1985 · Every January 11 · January 14, 1985 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.