 New York, New York--Newsfile Corp. - February 19, 2021 - Bronstein, Gewirtz Grossman, LLC notifies investors that a class action lawsuit has been filed against ACM Research, Inc. ACM or the Company NASDAQ: ACMR and certain of its officers, on behalf of shareholders who purchased or otherwise acquired ACM securities between March 6, 2019 - October 7, 2020, inclusive the Class Period. Such investors are encouraged to join this case by visiting the firms... 