Underfolio

Every trading day › 1987

The stock market on April 1, 1987

April 1, 1987, a Wednesday. The S&P 500 rose 0.23% to close at 292.38. Of 6,120 US stocks that traded, 1,565 rose and 2,579 fell.

The S&P 500+0.23%closed at 292.38
How big a move#18,153of 24,799 trading days since 1928
$100 in the index since$2,635price only, to September 24, 2026
Stocks that rose1,565of 6,120; 2,579 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Seagate Technology (SEG)+7.6%
Loral (LOR)+7.2%
Atlantic Richfield (ARCO) (ARC)+6.3%

Biggest falls among the 500 largest companies

PG&E Corp. (PCG)-7.2%
Newmont Gold Co (NGC)-6.8%
Microsoft (MSFT)-5.9%

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

‹ March 31, 1987 · Every April 1 · April 2, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.