Nvidia buying Arm would be a head scratcher, according to a Wall Street analyst who says an IPO makes more sense for the Softbank-owned chip design company (NVDA)

· *Nvidia is reportedly interested in buying Arm, but a Wall Street analyst thinks that's an unlikely move by the chip giant.*
· *Bernstein analyst Stacy Rasgon thinks Arm — which Softbank is reportedly considering selling or taking public — will likely file for an IPO.*
· *"While stranger things have occurred, a move...