 Los Angeles, California--Newsfile Corp. - July 28, 2021 - The Schall Law Firm, a national shareholder rights litigation firm, announces that it is investigating claims on behalf of investors of Petroteq Energy Inc. Petroteq or the Company OTC PINK: PQEFF 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. Petroteq issued a press release after the market closed on... 