Gerdau Graphene Develops Ultra-Strong Graphene-Enhanced Plastics SAO PAULO, Brazil, June 07, 2022 (GLOBE NEWSWIRE) -- Gerdau Graphene, the nanotechnology company pioneering advanced graphene-enhanced materials for industrial applications, announced that it has...

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,...

DEADLINE ALERT: Rigrodsky & Long, P.A. Reminds Shareholders Of Gerdau S.A. Of Upcoming Deadline WILMINGTON, Del., July 08, 2016 (GLOBE NEWSWIRE) -- Rigrodsky & Long, P.A.: Do you, or did you, own shares of Gerdau S.A. (NYSE:GGB)?Did you purchase your shares between June 2, 2011 and May...

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...

SHAREHOLDER ALERT: Rigrodsky & Long, P.A. Announces A Securities Fraud Class Action Lawsuit Has Been Filed Against Gerdau S.A. -- GGB WILMINGTON, Del., June 02, 2016 (GLOBE NEWSWIRE) -- Rigrodsky & Long, P.A.:Do you, or did you, own shares of Gerdau S.A. (NYSE:GGB)?Did you purchase your shares between June 2, 2011 and May 15,...