Rosen, respected investor counsel, announces filing of securities class action lawsuit against acm research, inc.; encourages investors with losses in excess of $100k to contact the firm – acmr

New york, dec. 23, 2020 (globe newswire) -- rosen law firm, a global investor rights law firm, announces the filing of a class action lawsuit on behalf of purchasers of the securities of acm research, inc. (nasdaq: acmr) between march 6, 2019 and october 7, 2020, inclusive (the "class period"). the lawsuit seeks to recover damages for acm investors under the federal securities laws.
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