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's partnership with OpenAI involves using AMD chips for AI software, potentially shaping the future of computing and AI hardware space.Following the announcement, AMD's stock surged by 30%, with analysts predicting accelerated growth and a potential valuation of $1 trillion.On October 6, 2025, Jefferies upgraded Advanced Micro Devices (NASDAQ:AMD ...