Arm's stock explodes 50% higher as company proves itself an early AI winner

An enviable part of Arm Holdings PLC’s business model shone in the latest quarter, and analysts are feeling increasingly upbeat about the company’s future — so much so that the stock was shooting some 50% higher in Thursday morning action.“The royalty revenue line is the focus of investors — for good reason,” Guggenheim analyst John DiFucci wrote in a note to clients late Wednesday. The business, which “is the primary driver of profit,” grew revenue 11% in the latest quarter to $470 million, beating expecta ...