U.S. stocks opened with the Dow Jones Industrial Average up 0.04%, the S&P 500 down 0.07%, and the Nasdaq Composite down 0.28%. NXP Semiconductors (NXPI.O) surged 21.7% on strong Q2 guidance. This boosted ON Semiconductor (ON.O) by 6.4% and Microchip Technology (MCHP.O) by 4.8%. Silicon Motion (SIMO.O) jumped 35%, with both Q1 results and Q2 guidance exceeding expectations.