Underfolio

Every trading day › 1984

The stock market on September 7, 1984

September 7, 1984, a Friday. The S&P 500 fell 0.77% to close at 164.37. Of 5,786 US stocks that traded, 1,317 rose and 1,756 fell.

The S&P 500-0.77%closed at 164.37
How big a move#8,346of 24,799 trading days since 1928
$100 in the index since$4,687price only, to September 24, 2026
Stocks that rose1,317of 5,786; 1,756 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

AbitibiBowater (BOW)+16.7%
Interfirst Corp (IFC)+10.5%
Burlington Industries Equity+5.7%

Biggest falls among the 500 largest companies

Tektronix (TEK)-11.4%
Apollo Computer Inc (APCI.)-5.7%
Gould Inc (GLD)-5.4%

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

‹ September 6, 1984 · Every September 7 · September 10, 1984 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.