Underfolio

Every trading day › 1985

The stock market on February 13, 1985

February 13, 1985, a Wednesday. The S&P 500 rose 1.55% to close at 183.35. Of 5,731 US stocks that traded, 2,427 rose and 1,081 fell.

The S&P 500+1.55%closed at 183.35
How big a move#2,897of 24,799 trading days since 1928
$100 in the index since$4,202price only, to September 24, 2026
Stocks that rose2,427of 5,731; 1,081 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Cullinet Software (CUL)+8.2%
Telerate Inc (TLR)+7.2%
ServiceMaster+6.2%

Biggest falls among the 500 largest companies

Apple (AAPL)-4.6%
Data General Corp (DGN.)-3.4%
Mitchell Energy & Devel. (MND)-2.8%

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

‹ February 12, 1985 · Every February 13 · February 14, 1985 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.