Marvell Technology Group is trading at $238.41, up 4.65%, as semiconductor shares rebound after the sector’s prolonged selloff. - A market report also listed Marvell among chip stocks advancing in premarket trading. - Lower Treasury yields and oil prices helped ease pressure on technology shares, while an upgrade of Intel added support to the sector recovery. - No fresh company-specific catalyst was identified; available evidence points to sector momentum rather than a Marvell-only event.