WHY: Rosen Law Firm, a global investor rights law firm, announces the filing of a class action lawsuit on behalf of purchasers of the securities of Credit Suisse Group AG (NYSE: CS) between October 29, 2020 and March 31, 2021, inclusive (the "Class Period"). A class action lawsuit has already been filed. If you wish to serve as lead plaintiff, you must move the Court no later than June 15, 2021.