Underfolio

Every trading day › 1985

The stock market on January 4, 1985

January 4, 1985, a Friday. The S&P 500 fell 0.54% to close at 163.68. Of 5,748 US stocks that traded, 1,391 rose and 1,697 fell.

The S&P 500-0.54%closed at 163.68
How big a move#11,747of 24,799 trading days since 1928
$100 in the index since$4,707price only, to September 24, 2026
Stocks that rose1,391of 5,748; 1,697 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for4stocks

Biggest rises among the 500 largest companies

Maxus Energy (MXS)+18.3%
KeySpan (KSE)+5.4%
DSC Communications (DIGI)+4.2%

Biggest falls among the 500 largest companies

Occidental Petroleum (OXY)-6.5%
H.F. Ahmanson (AHM)-4.4%
Husky Oil Ltd (HYO)-4.3%

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

‹ January 3, 1985 · Every January 4 · January 7, 1985 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.