Advanced Micro Devices Inc (AMD 11.33%) closed at $235.56, up 11.37%. Trading volume reached 154 million shares, roughly 3 times its three-month average of 58 million. The stock hit a new 52-week high intraday at $235.87.
U.S. markets advanced. The S&P 500 (^GSPC 0.58%) gained 0.58% to 6,753.72, while the Nasdaq Composite (^IXIC 1.12%) rose 1.12% to 23,043.38, lifted by renewed enthusiasm in artificial intelligence and semiconductor names.
Among chip and AI peers, NVIDIA Corp (NVDA 2.18%) rose 2.20% to $189.11, and Broadcom Inc (AVGO 2.67%) climbed 2.70% to $345.50.
AMD's surge followed an October 6 announcement of a strategic partnership with OpenAI to deploy up to 6 gigawatts of AMD GPUs, with an initial 1 GW phase set for the second half of 2026. As part of the deal, OpenAI received a warrant to purchase up to 160 million AMD shares if key performance milestones are met. Additional collaboration news with IBM (IBM -1.58%) and Zyphra, along with reports of potential foundry talks with Intel (INTC 0.69%), further fueled optimism around AMD's growing AI ecosystem. Analysts responded positively, with Jefferies upgrading the stock to Buy and raising its price target.
Market data sourced from Google Finance and Yahoo! Finance on Wednesday, October 8, 2025.