Underfolio

Every trading day › 1986

The stock market on April 8, 1986

April 8, 1986, a Tuesday. The S&P 500 rose 2.14% to close at 233.52. Of 5,740 US stocks that traded, 2,636 rose and 1,122 fell.

The S&P 500+2.14%closed at 233.52
How big a move#1,459of 24,799 trading days since 1928
$100 in the index since$3,299price only, to September 24, 2026
Stocks that rose2,636of 5,740; 1,122 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Collins & Aikman Group Inc+17.4%
National Gypsum Co (NGCO)+11.1%
Petrie Stores Liquidation Tr+10.1%

Biggest falls among the 500 largest companies

Genstar Corp (GST)-4.6%
PanEnergy (PEL)-3.5%
Goodyear Tire & Rubber (GT)-3.4%

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

‹ April 7, 1986 · Every April 8 · April 9, 1986 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.