Underfolio

Every trading day › 1986

The stock market on September 26, 1986

September 26, 1986, a Friday. The S&P 500 rose 0.17% to close at 232.23. Of 5,972 US stocks that traded, 1,809 rose and 1,736 fell.

The S&P 500+0.17%closed at 232.23
How big a move#19,798of 24,799 trading days since 1928
$100 in the index since$3,317price only, to September 24, 2026
Stocks that rose1,809of 5,972; 1,736 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for9stocks

Biggest rises among the 500 largest companies

Texas Eastern Corp+6.6%
Champion International (CHA)+5.0%
Amerada Hess (AHC)+4.9%

Biggest falls among the 500 largest companies

Trans World Airlines-7.1%
K-H Corp (KH)-6.0%
Burns Intl Services Corp (BOR)-5.5%

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

‹ September 25, 1986 · Every September 26 · September 29, 1986 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.