Several law firms have announced investigations and class action lawsuits on behalf of investors in various companies, including Marqeta, Inc. (MQ), Applied Therapeutics, Inc. (APLT), Kyverna Therapeutics, Inc. (KYTX), Five9, Inc. (FIVN), and DMC Global Inc. (BOOM). The Law Offices of Frank R. Cruz has filed a securities class action for Marqeta, Inc. and also announced investigations into Applied Therapeutics and Five9. Additionally, Robbins Geller Rudman & Dowd LLP is seeking to lead a class action lawsuit for Kyverna Therapeutics investors with substantial losses. Glancy Prongay & Murray LLP has filed a securities class action on behalf of DMC Global Inc. investors and is also investigating Five9. Rosen Law Firm is urging stockholders of Edwards Lifesciences Corporation (EW) and Xiao-I Corporation (AIXI) with significant losses to contact them regarding their rights. Meanwhile, Dave & Buster’s Entertainment has reported a 7.7% decline in same-store sales amid a leadership change, as its CEO has resigned. The company is currently facing scrutiny from BFA Law following this development.