Jefferies upgraded Advanced Micro Devices (NASDAQ:AMD) to a "Positive" rating due to a "multigenerational" agreement with OpenAI, valuing AMD's stock at 203.71.AMD′spartnershipwithOpenAIinvolvesusingAMDchipsforAIsoftware,potentiallyshapingthefutureofcomputingandAIhardwarespace.Followingtheannouncement,AMD′sstocksurgedby301 trillion.On October 6, 2025, Jefferies upgraded Advanced Micro Devices (NASDAQ:AMD ...