Marvell Technology, Inc. MRVL shares rose Wednesday after the chipmaker unveiled a fresh capital return plan and highlighted its growing focus on data center and AI infrastructure. The company said its board approved a new $5 billion share repurchase authorization and disclosed an accelerated share repurchase agreement.Marvell’s board cleared a new buyback program totaling$5 billion. As of Aug. 2, 2025, the company had about $2.0 billion remaining under its prior repurchase authorization. Since then, it ha ...