NEW YORK, NY / ACCESSWIRE / January 20, 2021 / 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.
NEW YORK, NY / ACCESSWIRE / January 20, 2021 / Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of Sona Nanotech Inc. (OTC:SNANF) between July 2, 2020 and November 25, 2020, inclusive (the "Class Period") of the important February 16, 2021 lead plaintiff deadline in the securities class action commenced by the firm.
NEW YORK, NY / ACCESSWIRE / January 20, 2021 / Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of Covia Holdings Corporation f/k/a Fairmount Santrol Holdings Inc. ("Covia") (OTC:CVIAQ) (NYSE:CVIA) (NYSE:FMSA) between March 15, 2016 and June 29, 2020, inclusive (the "Class Period"), of the important February 8, 2021 lead plaintiff deadline in the first filed securities class action commenced by the firm.
LOS ANGELES, CA / ACCESSWIRE / January 19, 2021 / The Schall Law Firm, a national shareholder rights litigation firm, announces the filing of a class action lawsuit against Berry Corporation ("Berry" or "the Company") (NASDAQ:BRY) violations of the federal securities laws.Investors who purchased the Company's shares pursuant and/or traceable to the Company's July 26, 2018 initial public offering (the "IPO"), or between July 26, 2018 and November 3, 2020 both dates inclusive (the "Class Period"), are encouraged to contact the firm before January 21, 2021.