 Los Angeles, California--Newsfile Corp. - November 25, 2020 - The Schall Law Firm, a national shareholder rights litigation firm, announces that it is investigating claims on behalf of investors of Covia Holdings Corporation OTC: CVIAQ Covia or the Company for violations of the securities laws.The investigation focuses on whether the Company issued false andor misleading statements andor failed to disclose information pertinent to investors. Covia revealed in a 10-Q Quarterly Report released on May 9,... 