Advanced Micro Devices (NASDAQ: AMD) stock tumbled 5% through 2:35 p.m. ET Friday -- but maybe it should not have? In a note out this morning, Wells Fargo analyst Aaron Rakers both identified the catalyst behind today's AMD stock decline and also explained why he thinks today's sell-off is a mistake. Where to invest $1,000 right now? Our analyst team just revealed what they believe are the 10 best stocks to buy right now, when you join Stock Advisor. See the stocks » Image source: Getty Images. Risk and ...