The biggest US financial institutions reported a sharp increase to $610bn in so-called hard-to-value assets during the third quarter, raising concerns about the hidden dangers on balance sheets.
http://www.ft.com/cms/s/0/0627def0-c6f8-11dd-97a5-000077b07658.html
http://www.ft.com/cms/s/0/0627def0-c6f8-11dd-97a5-000077b07658.html