AMD Stock Drops 4.5% as Perplexity Puts Agents on Local PCs
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AMD Stock Drops 4.5% as Perplexity Puts Agents on Local PCs Khac Phu Nguyen Mon, September 28, 2026 at 12:43 PM EDT 1 min read AMD PEAI.PVT This article first appeared on GuruFocus . Advanced Micro Devices ( NASDAQ:AMD ), the chipmaker behind Ryzen processors and AI accelerators, brought Perplexity's Portable Computer to supported Ryzen AI Max Windows systems. Shares were down about 4.45% at $602.585 at 11.07am ET time on September 28. Warning! GuruFocus has detected 8 Warning Signs with AMD. Is AMD fairly valued? Test your thesis with our free DCF calculator. That gives AMD a practical test for its AI PC pitch: will people use local agents often enough to make the hardware matter? The image puts the share price 110.64% above its $286.07 GF Value estimate. That gap leaves plenty riding on real adoption, not just a working demo.
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