Nvidia, the biggest company in the world by market cap, reported world-beating results Wednesday evening. But export controls to China dampened its data center revenue, and that's making investors nervous.

Why it matters: Nvidia is caught in the middle of a Trump trade war that could impact its earnings growth and the trajectory of the entire stock market.

What they're saying: "We need [China] more than they need us," Paul Meeks, managing director and head of technology research at Freedom Capital Markets, tells Axios. • CEO Jensen Huang sees the Chinese market as a $50 billion opportunity that could grow 50% per year. • That's why investors want the doors to that market wide open.

Catch up quick: The Trump administration barred exports of Nvidia's H20 chips to China in April. • T

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