 New York, New York--Newsfile Corp. - October 26, 2020 - Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of Braskem S.A. NYSE: BAK between May 6, 2016 and July 8, 2020, inclusive the Class Period, of the important October 26, 2020 lead plaintiff deadline in securities class action. The lawsuit seeks to recover damages for Braskem investors under the federal securities laws.To join the Braskem class action, go to... 