https://www.reuters.com/article/us-qualcomm-m-a-broadcom/broadcom-promises-on-security-qualcomm-revamps-board-idUSKCN1GL1N0 >Broadcom Ltd has promised not to sell critical national security assets to foreign buyers if its deal to buy chipmaker Qualcomm Inc is approved, another effort by the Singapore-based firm to appease U.S. security concerns.