Nvidia and Marvell represent two very different stories within the same booming AI ecosystem. Nvidia remains the clear leader and bellwether, with growth and profitability metrics that continue to defy its scale. Marvell, meanwhile, is trying to prove it belongs among the AI elite, with execution and guidance now critical after a turbulent year.

A wobble in U.S. technology shares has raised the stakes for Nvidia Corp's quarterly results on Wednesday, with earnings from the semiconductor giant posing a crucial test for the scorching AI trade.

Nvidia (NVDA) is more than just a chipmaker. It is now the foundation of the artificial intelligence (AI) industry. Its graphic processing units (GPUs) power everything from advanced large language models to self-driving cars,