Nvidia reclaimed its post as the world’s most valuable company after the AI chip king delivered a “great” earnings report despite a “hurdle” from export restrictions to China.

Investors' renewed risk appetite on Tuesday boosted Nvidia shares—and those of several companies linked with the tech giant—a day before the company is slated to report earnings. Nvidia (NVDA) stock rose 3.

The major U.S. indices are on track to close the week, and month, higher. Before Thursday’s session, the S&P 500 and DJIA are up 1.5% and 1.2% this week, respectively, while the NASDAQ Composite has rallied nearly 2%.