 New York, New York--Newsfile Corp. - February 2, 2021 - WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of ACM Research, Inc. NASDAQ: ACMR between March 6, 2019 and October 7, 2020, inclusive the Class Period, of the important February 19, 2021 lead plaintiff deadline.SO WHAT: If you purchased ACM securities during the Class Period you may be entitled to compensation without payment of any out of... 