https://www.reuters.com/article/us-nxp-semicondtrs-m-a-qualcomm/qualcomms-44-billion-nxp-offer-deadline-passes-no-word-from-china-idUSKBN1KF193 >The deadline for Qualcomm Inc to buy NXP Semiconductors passed at midnight U.S. eastern time without any word on Chinese regulatory approval, likely shutting the door on a deal embroiled in a bitter U.S.-China spat.