FILE - In a Feb. 9, 2006 file photo a sign for Aetna insurance is seen in Hartford, Conn. The Hartford, Conn., company said Monday Aug. 20, 2012 that it would buy Coventry Health Car

 

              FILE -  In a Feb. 9, 2006 file photo a sign for Aetna insurance is seen in Hartford, Conn.   The Hartford, Conn., company said Monday Aug. 20, 2012 that it would buy Coventry Health Car
FILE - In a Feb. 9, 2006 file photo a sign for Aetna insurance is seen in Hartford, Conn. The Hartford, Conn., company said Monday Aug. 20, 2012 that it would buy Coventry Health Care for $5.7 billion. (AP Photo/Douglas Healey, file)