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

Nvidia is pushing into the PC market with its own chips as the main processor. The first Windows computers from Dell and Microsoft's Surface line are set to be unveiled next week…

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

"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.