Major averages finish higher; CoreWeave earnings ignite AI infrastructure rally

CoreWeave surged 24.7% after beating revenue estimates and raising its fiscal 2026 outlook, with a $132.5 billion backlog and improved margins easing capital concerns. The read-through lifted Dell, Micron, Oracle, Corning, and Applied Materials. The Philadelphia Semiconductor Index jumped 5.7%. Ten of 11 S&P 500 sectors ended higher.