Nvidia CEO Jensen Huang told investors on Wednesday that robotics is now the company's second-biggest focus after AI, with autonomous vehicles set to lead the

The majority of Nvidia's revenue comes from its data center business, thanks to booming sales of its industry-leading artificial intelligence (AI) chips. Nvidia CEO Jensen Huang thinks autonomous vehicles could be the next trillion-dollar opportunity for the company.

The executive sold through a so-called Rule 10b5 trading plan. Insiders use the plans to remove the possibility they might benefit from their knowledge of public information.