Underfolio

Every trading day › 1986

The stock market on September 9, 1986

September 9, 1986, a Tuesday. The S&P 500 fell 0.19% to close at 247.67. Of 5,940 US stocks that traded, 1,457 rose and 2,397 fell.

The S&P 500-0.19%closed at 247.67
How big a move#19,336of 24,799 trading days since 1928
$100 in the index since$3,111price only, to September 24, 2026
Stocks that rose1,457of 5,940; 2,397 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Con-way (CNF)+5.4%
Lucky Stores (LKS)+4.9%
Lowe's (LOW)+4.7%

Biggest falls among the 500 largest companies

Beverly Enterprises (BEV)-6.6%
Dreyfus Corp (DRY)-5.6%
Sysco (SYY)-5.3%

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

‹ September 8, 1986 · Every September 9 · September 10, 1986 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.