LOS ANGELES, CA / ACCESSWIRE / June 30, 2022 / The Schall Law Firm , a national shareholder rights litigation firm, announces that it is investigating claims on behalf of investors ofNuvation Bio Inc. ("Nuvation" or "the Company") (NYSE: NUVB ) for violations of the securities laws. The investigation focuses on whether the Company issued false and/or misleading statements and/or failed to disclose information pertinent to investors. Nuvation issued a press release on June 27, 2022, "announc[ing]...