US stocks open: Qualcomm rises 5% on Amazon partnership

US markets opened with the Dow down 0.7%, the S&P 500 down 0.1%, and the Nasdaq up 0.08%. Qualcomm (QCOM) rose 5% following a multi-generational product partnership with Amazon (AMZN). Intel (INTC) gained 6% amid reports of a 10% CPU price hike. ASML rose 3.8% and TSMC rose 2.4% as both companies initiated a high-NA EUV photomask collaboration.