Underfolio

Every trading day › 1987

The stock market on April 21, 1987

April 21, 1987, a Tuesday. The S&P 500 rose 2.44% to close at 293.07. Of 6,139 US stocks that traded, 1,978 rose and 2,073 fell.

The S&P 500+2.44%closed at 293.07
How big a move#1,098of 24,799 trading days since 1928
$100 in the index since$2,629price only, to September 24, 2026
Stocks that rose1,978of 6,139; 2,073 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Baxter International (BAX)+8.7%
FMC Corporation (FMC)+8.3%
National Semiconductor (NSM)+7.7%

Biggest falls among the 500 largest companies

McKesson (MCK)-5.4%
Battle Mountain Gold Co (BMG)-4.5%
Dome Mines (DM)-4.4%

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

‹ April 20, 1987 · Every April 21 · April 22, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.