Underfolio

Every trading day › 1987

The stock market on May 4, 1987

May 4, 1987, a Monday. The S&P 500 rose 0.46% to close at 289.36. Of 6,148 US stocks that traded, 1,746 rose and 2,110 fell.

The S&P 500+0.46%closed at 289.36
How big a move#13,142of 24,799 trading days since 1928
$100 in the index since$2,662price only, to September 24, 2026
Stocks that rose1,746of 6,148; 2,110 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Brown Forman Cp (BF)+8.0%
Seagate Technology (SEG)+7.5%
Battle Mountain Gold Co (BMG)+7.4%

Biggest falls among the 500 largest companies

Ameren (AEE)-5.1%
Brunswick (BC)-4.7%
General Instrument (GIC)-3.7%

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

‹ May 1, 1987 · Every May 4 · May 5, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.