The U.S. stock market opened with the Dow Jones up 0.04%, the S&P 500 down 0.07%, and the Nasdaq down 0.28%. NXP Semiconductors (NXPI.O) rose 21.7% on strong Q2 guidance. Driven by this, ON Semiconductor (ON.O) gained 6.4%, and Microchip Technology (MCHP.O) rose 4.8%. Silicon Motion Technology (SIMO.O) surged 35%, with Q1 performance and Q2 guidance exceeding expectations across the board.