Underfolio

Every trading day › 1985

The stock market on April 15, 1985

April 15, 1985, a Monday. The S&P 500 rose 0.21% to close at 180.92. Of 5,720 US stocks that traded, 1,736 rose and 1,590 fell.

The S&P 500+0.21%closed at 180.92
How big a move#18,751of 24,799 trading days since 1928
$100 in the index since$4,258price only, to September 24, 2026
Stocks that rose1,736of 5,720; 1,590 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Harcourt General (H)+5.9%
CBS Inc (CBS)+5.3%
Loews (LTR)+3.7%

Biggest falls among the 500 largest companies

MCI Communications (MCIC.)-5.3%
Tandem Computers Inc (TDM.)-4.0%
Cullinet Software (CUL)-3.5%

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

‹ April 12, 1985 · Every April 15 · April 16, 1985 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.