Multiple law firms have announced opportunities for investors to lead class action lawsuits against several companies due to substantial losses. Bronstein, Gewirtz & Grossman LLC is representing investors in MGP Ingredients, Applied Therapeutics, Kyverna Therapeutics, and Marqeta, Inc. Robbins Geller Rudman & Dowd LLP is also involved, announcing similar opportunities for Enphase Energy, Inc. and Joint Stock Company investors. Additionally, Rosen Law Firm has filed a securities class action lawsuit on behalf of AstraZeneca PLC investors. In a separate legal development, the U.S. Justice Department has accused CVS Health of filling illegal prescriptions to enhance corporate performance metrics, while the Utah Attorney General's Office has initiated a lawsuit against UnitedHealth Group and Express Scripts for allegedly facilitating opioid sales.