https://www.reuters.com/article/us-nxp-semicondtrs-m-a-qualcomm/qualcomm-deals-blow-to-broadcoms-bid-with-sweetened-nxp-deal-idUSKCN1G41AE >U.S. semiconductor company Qualcomm Inc on Tuesday unveiled a sweetened $44 billion agreement to acquire NXP Semiconductors NV , its most defiant move in its defense against a hostile $121 billion bid from Broadcom Ltd .