Underfolio

Every trading day › 1987

The stock market on April 3, 1987

April 3, 1987, a Friday. The S&P 500 rose 2.31% to close at 300.41. Of 6,125 US stocks that traded, 2,769 rose and 1,280 fell.

The S&P 500+2.31%closed at 300.41
How big a move#1,226of 24,799 trading days since 1928
$100 in the index since$2,565price only, to September 24, 2026
Stocks that rose2,769of 6,125; 1,280 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Sun Microsystems (SUNW)+7.8%
Koppers (KOP)+7.8%
Time Warner (TWX)+7.3%

Biggest falls among the 500 largest companies

Mellon Financial (MEL)-8.2%
Genentech Inc (DNA)-2.2%
PNM Resources, Inc. (Holding Co.) (PNM)-2.1%

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

‹ April 2, 1987 · Every April 3 · April 6, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.