Key PointsNvidia is the leading chip designer at the forefront of AI.Broadcom's custom AI chip business is taking off.Amazon's custom chips are growing at a triple-digit pace. 10 stocks we like better than Nvidia › I think the best-positioned companies in the artificial intelligence (AI) build-out are the chip designers. These are companies that design chips but have no hand in manufacturing. This allows them to scale up and down as necessary, a…