 Los Angeles, California--Newsfile Corp. - May 28, 2021 - The Schall Law Firm, a national shareholder rights litigation firm, announces that it is investigating claims on behalf of investors of NGM Biopharmaceuticals, Inc. NGM or the Company NASDAQ: NGM 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. NGM announced on May 24, 2021, that it would be abandoning... 