Jensen Huang says Microsoft and Nvidia will "reinvent the PC", starting with 30+ laptops and 10 desktops coming in the fall from Dell, HP, Lenovo, and others (Katie Tarasov/CNBC)

Katie Taraso / CNBC: Jensen Huang says Microsoft and Nvidia will “reinvent the PC”, starting with 30+ laptops and 10 desktops coming in the fall from Dell, HP, Lenovo, and others - Nvidia has emerged as the world's most valuable company by dominating the market for AI chips in the data center.