TradingKey – On September 21 US Eastern Time, AMD (AMD) stock surged 9%, surpassing $600 for the first time to hit an all-time high, with its total market capitalization climbing to nearly $1 trillion. Year to date, AMD shares have gained over 180%.

Behind this rally is the market’s repricing of the “legacy chip”—the CPU. Over the past two years, the spotlight of AI computing power was almost entirely on GPUs; however, as AI evolves from “answering questions” to “autonomously executing tasks,” the importance of CPUs is quietly rebounding.

Catalyzing this shift are AI agent products represented by Meta’s Muse. Unlike the Q&A format of chatbots, AI agents need to run continuously: spinning up independent cloud environments for each user…