Microsoft shares rose after NVIDIA unveiled RTX Spark, a superchip designed for AI-powered Windows PCs and agentic computing.

AI chip firm Nvidia and Microsoft to debut the computers in Taiwan and San Francisco

The new line of Windows laptops and desktops will be the first ever to run solely on an Nvidia-made chip, the RTX Spark, as the AI giant looks to take on rivals Intel and AMD.

"Microsoft and Nvidia are going to reinvent the PC. This is going to be the new PC," said Jensen Huang, chief executive of the US tech giant, as he launched RTX Spark ahead of…

Shares of technology companies rose as the artificial-intelligence boom continued gaining steam.