Shares of artificial intelligence (AI) chipmaker Advanced Micro Devices (AMD 8.81%) rallied 9.8% on Monday, as of 12:43 p.m. ETAMD made some big product announcements last week, especially around AI. Today, a Wall Street analyst wrote his positive conclusion on the event, and revealed some positive industry data in the PC space, too.Piper Sandler sees a snap-back in PC demand, GPUsLast week's big event centered on AMD's new Instinct MI350 accelerators, and upcoming MI400 "Helios" racks, which will be availa ...