NVIDIA FACES AI CHIP REVOLT FROM TECH GIANTS BUILDING THEIR OWN SILICON Google, Amazon, Microsoft, and Meta are accelerating custom AI chip programs designed to reduce dependency on Nvidia’s GPUs, hammering Nvidia’s stock even as the broader Philadelphia Semiconductor Index surges. The move represents the biggest strategic threat to Nvidia’s AI dominance — its own best customers walking out the door. Keywords: Nvidia AI chip competition, custom AI silicon, Google TPU, Amazon Trainium, Nvidia stock threat