** Shares of U.S. chipmakers rise premarket as Nvidia NVDA.O is set to resume H20 AI chip sales to China; NVDA shares up 4.35%
** Memory chipmaker Micron Technology MU.O climbs 2%, and AI server maker Super Micro Computer SMCI.O gains 3.1%
** Networking chipmakers Broadcom AVGO.O and Marvel Technology MRVL.O rise 1.4% and 2.5%, respectively; Qualcomm QCOM.O adds 0.8%
** Advanced Micro Devices AMD.O and Intel INTC.O, which make chips for personal computers, servers and AI chips, climb 3.2% and 0.9%, respectively
** U.S.-listed shares of contract chipmaker Taiwan Semiconductor Manufacturing TSM.N are up 2.1%
** TSM is set to report second-quarter results on Thursday
** Philadelphia Semiconductor Index .SOX is up around 13.4% YTD