Underfolio

Every trading day › 1987

The stock market on April 13, 1987

April 13, 1987, a Monday. The S&P 500 fell 2.35% to close at 285.62. Of 6,133 US stocks that traded, 952 rose and 3,206 fell.

The S&P 500-2.35%closed at 285.62
How big a move#1,186of 24,799 trading days since 1928
$100 in the index since$2,697price only, to September 24, 2026
Stocks that rose952of 6,133; 3,206 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Dome Mines (DM)+12.3%
Battle Mountain Gold Co (BMG)+10.3%
Chemical Waste Management (CHW)+5.1%

Biggest falls among the 500 largest companies

Pennzoil (PZE)-16.5%
Texaco (TX)-10.6%
American Standard (TT)-8.8%

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

‹ April 10, 1987 · Every April 13 · April 14, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.