Citadel, the hedge-fund firm led by Ken Griffin, owned 1.47 million shares of the specialty insurer as of Dec. 12, according to a regulatory filing.

General Motors Co. customers won a key ally in their quest for $10 billion in compensation: the automakers bankrupt predecessor, which said switch defects were illegally hidden from consumers during the companys 2009 bailout.

The Senate could have stayed in session and done the procedural work necessary to get past the hold Coburn placed on the TRIA renewal bill, but that would have taken several days.