 LOS ANGELES, CA ACCESSWIRE April 24, 2020 The Schall Law Firm, a national shareholder rights litigation firm, announces the filing of a class-action lawsuit against CVR Refining, LP CVRR or the Company for violations of the federal securities laws. Investors who purchased the Companys securities between July 30, 2018 and January 28, 2019, inclusive the Class Period, are encouraged to contact the firm before June 5, 2020. 