Shares of self-driving firm Aurora, data storage company Micron and ride-hailer Uber all rallied Tuesday after Nvidia teased closer relationships with each of the three companies.

Nvidia traded slightly higher after Jensen Huang's CES keynote. Traders are eyeing key economic data later in the week.

Nvidia Corp.’s stock continued its rally Monday, embodying the red-hot momentum in the artificial-intelligence chip trade so far this year.

Jensen Huang is the CEO of Nvidia ( NVDA 3.70%), a company whose chips power the vast majority of artificial intelligence (AI) systems. At a technology conference last year, Huang made a bold declaration: "The next wave of AI is here. Robotics, powered by physical AI, will revolutionize industries."

Rising technology stocks helped U.S. indexes recover more of their holiday-season slide that bridged the new year.

U.S. stock indexes are rising to recover more of the holiday-season slide that bridged the new year. The S&P 500 was 0.8% higher in early trading Monday and on track for a second straight gain following five straight losses.