NOTICE: Rosen Law Firm Reminds Gerdau S.A. Investors of Important July 25 Deadline in Class Action - GGB NEW YORK, July 18, 2016 (GLOBE NEWSWIRE) -- Rosen Law Firm, a global investor rights law firm, reminds purchasers of Gerdau S.A. securities (NYSE:GGB) from June 2, 2011 through May 15, 2016,...

EQUITY ALERT: Rosen Law Firm Announces Filing of Securities Class Action Lawsuit Against Gerdau S.A. - GGB NEW YORK, July 01, 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 Gerdau S.A. securities...