Nvidia stock was falling Wednesday, pushed down by the threat of competition from Amazon.com new AI hardware. Nvidia’s competition is Amazon’s new Trainium 3 AI chips, which the e-commerce company launched for customers on Tuesday. Although Amazon said its chips can reduce the cost of training and operating AI models by up to 50% compared with systems that use equivalent graphics processing units, which are Nvidia’s specialty, the two companies still appear on relatively friendly terms.

On a post-earnings conference call with analysts on Tuesday, Marvell said it’s more bullish about revenue growth next year and predicted that custom chip sales will increase 20%. Large customers have renewed orders, and Marvell said there won’t be a repeat of previous “air pockets,” when sales in that unit have declined. The company also announced plans to acquire startup Celestial AI for at least $3.25 billion, a move it said would bolster the artificial intelligence push.

ASML serves a foundational role in advancing AI.

INTC jumps 8.7% on buzz of a potential Apple chip deal, but margin pressure and fierce competition loom large.