Arm Holdings Plc (NASDAQ:ARM) surged more than 15% on Monday after Nvidia Corp's (NASDAQ:NVDA)debut of a PC processor built on its architecture underscored Arm's growing footprint in the AI computing ecosystem.

ARM stock is climbing. See the chart and price action here. 

Arm was trading around $400, reaching new 52-week highs. The stock has more than tripled from its 52-week low of $100.02, and Monday’s spike extended a run that has already made it one of the year’s best-performing semiconductor names.

The catalyst: Nvidia CEO Jensen Huang took the stage at Nvidia’s GTC Taipei keynote at Computex and unveiled the RTX Spark, a superchip the company calls “the most efficient PC chip ever created.” 

The RTX Spark combines a Blackwell GPU with a new N1X CPU, an Arm-based processor co-developed with MediaTek. 

The chip will ship this fall inside slim laptops and compact desktops from Dell, HP, ASUS, Lenovo, Microsoft Surface, and MSI, with Acer and GIGABYTE to follow. Nvidia ...