 NEW YORK, Jan. 16, 2021 GLOBE NEWSWIRE -- 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 in the securities class action. The lawsuit seeks to recover damages for ACM investors under the federal securities laws. 