Several law firms have announced investigations or class action lawsuits against major corporations due to substantial investor losses. Bronstein, Gewirtz & Grossman LLC has initiated actions involving Domino's Pizza Inc., Paragon 28, Inc., Joint Stock Company KSPI, and Visa Inc., encouraging investors with substantial losses to reach out and offering the opportunity to lead class action lawsuits. Meanwhile, the Rosen Law Firm is urging Moderna, Inc. shareholders who have suffered large losses to seek information about their rights. Additionally, concerns have been raised regarding Arbor Realty Trust's practices, including allegations of purchasing its own underwater loans and undisclosed related party transactions, with a securities case being filed against a paid agent of the company.