The stock looks expensive, but AMD could see robust demand for its data center chips in the coming years.Shares of Advanced Micro Devices (AMD 0.22%) have doubled over the past year. The stock trades at a high price-to-earnings multiple, but this premium might be justified based on the trajectory of infrastructure spending for artificial intelligence (AI). Why buy AMD stock?At CES 2026, AMD CEO Lisa Su put a number on how fast AI compute is growing. Since 2022, AI computing power has climbed from 1 zettaflo ...