Twelve of the 13 most important U.S. financial firms were at the brink of failure at the height of the credit crisis in 2008, according to previously undisclosed remarks made by Federal Reserve Chairman Ben Bernanke in November 2009 to an investigative panel.

Federal Reserve Bank Chairman Ben Bernanke

The deeply divided Financial Crisis Inquiry Commission released the notes from its private interview with Bernanke and others on Thursday as part of a final report on the origins of the 2007-2009 crisis.