FILE - The June 15, 2010 file photo shows the logo of Swiss bank UBS in Zurich, Switzerland. Swiss bank UBS AG said Thursday, Sept. 15, 2011 it has discovered that unauthorized trading by one of its ... more 
FILE - The June 15, 2010 file photo shows the logo of Swiss bank UBS in Zurich, Switzerland. Swiss bank UBS AG said Thursday, Sept. 15, 2011 it has discovered that unauthorized trading by one of its staff has caused an estimated loss of US$2 billion (1,453 billion euro) and warned it could result in a loss for the entire third quarter. (AP Photo/Keystone, Alessandro Della Bella) less 
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Associated Press | Photo By Keystone, Alessandro Della Bella
Thu, Sep 15, 2011 4:45 AM EDT