AMD Rises Following William Blair Upgrade to Outperform

Advanced Micro Devices shares gained 1.8% in premarket trading on Thursday following an upgrade from William Blair. Analyst Sebastien Naji raised the semiconductor maker's rating to Outperform from Market Perform. The brokerage cited AMD's positioning in computing and artificial intelligence processors, alongside an expanding opportunity to capture market share and incremental AI accelerator demand amid recent disruptions and leadership uncertainty surrounding primary rival Nvidia.