AMD stock surges past $500 as AI infrastructure boom lifts semiconductor sector

Advanced Micro Devices shares broke above $500 on September 8, 2026, rising more than 5% intraday and peaking around $503 before settling near that threshold. The move came with no single company-specific catalyst. Peer chipmakers Micron, Nvidia, and Intel logged gains on the same session, as investors collectively bet that corporate spending on AI infrastructure has more room to run. The earnings backdrop doing the heavy lifting AMD’s intraday sprint didn’t happen in a vacuum. The company had reported Q2 2026 results on August 4 that gave investors plenty to feel good about heading into the fall. Total revenue for the quarter came in at $11.54 billion, a 50% jump compared to the same period a year earlier. Data-center revenue reached $6.72 billion for the quarter, up 107% year-on-year. AMD’s server and cloud business now accounts for 58% of total company sales. Non-GAAP earnings per share for Q2 came in at $1.66, and management guided Q3 revenue to approximately $13 billion, representing about 41% growth at the midpoint compared to Q3 2025. CEO Lisa Su has pointed to accelerating demand for the company’s EPYC server CPUs and Instinct GPUs as the twin engines of that growth. AMD ha...