NEW YORK, Nov. 09, 2015 (GLOBE NEWSWIRE) -- Ambac Financial Group, Inc. (Nasdaq:AMBC) ("Ambac" or the “Company”), a holding company whose subsidiaries, including Ambac Assurance Corporation (“Ambac Assurance”), provide financial guarantees and other financial services, today reported results for the three months ended September 30, 2015. Commenting on today’s announcement, Nader Tavakoli, Interim President and Chief Executive Officer, said, “During the third quarter we continued Ambac’s positive financial trajectory.  While we generated a net loss in the third quarter, which was driven by a goodwill impairment charge, operating earnings were $170.5 million, or $3.77 per fully diluted share,...