SHAREHOLDER NOTICE: Rosen Law Firm Reminds Ambac Financial Group, Inc. Investors of Important August 29 Deadline in Class Action - AMBC NEW YORK, Aug. 22, 2016 (GLOBE NEWSWIRE) -- Rosen Law Firm, a global investor rights law firm, reminds purchasers of Ambac Financial Group, Inc. securities (NASDAQ:AMBC) from November 13, 2013...

EQUITY ALERT: Rosen Law Firm Announces Filing of Securities Class Action Lawsuit Against Ambac Financial Group, Inc. - AMBC NEW YORK, Aug. 02, 2016 (GLOBE NEWSWIRE) -- Rosen Law Firm, a global investor rights law firm, announces the filing of a class action lawsuit on behalf of purchasers of Ambac Financial Group, Inc....