** Shares of U.S. chipmakers rise after U.S. and China agree to temporarily slash tariffs
** U.S. will cut tariffs on Chinese imports to 30% from 145% while Chinese levies will drop to 10% from 125% for the next 90 days
** Chip-heavyweight Nvidia NVDA.O gains 3.6%
** Networking chipmakers Broadcom AVGO.O and Marvel Technology MRVL.O rise 4.4% and 6.8%, respectively, while smartphone chipmaker Qualcomm QCOM.O adds 4.2%
** Advanced Micro Devices AMD.O and Intel INTC.O, that make chips for personal computers, servers and AI chips, climb 4.9% and 3.3% respectively
** Memory chipmaker Micron Technology MU.O rises 8.7%
** The iShares Semiconductor ETF SOXX.O up 6.3% while the VanEck Semiconductor ETF SMH.O up 5.4%
** The Philadelphia SE Semiconductor Index .SOX jumped over 6%, to a more than two month-high