 NEW YORK--BUSINESS WIRE--Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of Covia Holdings Corporation fka Fairmount Santrol Holdings Inc. Covia OTC: CVIAQ NYSE: CVIA NYSE: FMSA between March 15, 2016 to 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. The lawsuit seeks to recover damages for Covia investors under the fed 