Underfolio

Every trading day › 1969

The stock market on September 12, 1969

September 12, 1969, a Friday. The S&P 500 fell 0.10% to close at 94.13. Of 2,177 US stocks that traded, 782 rose and 987 fell.

The S&P 500-0.10%closed at 94.13
How big a move#21,967of 24,799 trading days since 1928
$100 in the index since$8,185price only, to September 24, 2026
Stocks that rose782of 2,177; 987 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Braniff International Corp (BNF)+8.6%
Seatrain Lines+6.6%

Biggest falls among the 500 largest companies

Home Oil Ltd -cl A (HG.A)-10.1%
Qantel Corp-8.6%
Canadian Superior Oil (CDS)-6.6%

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

‹ September 11, 1969 · Every September 12 · September 15, 1969 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.