AMD became the latest mega-cap company to breach $1 trillion market value, with stock rising 9.95% to $615.52 after-hours on strong Data Center revenue (+107% YoY). The surge is driven by AI-driven demand for CPUs; peers Intel (+12%) and Arm (+17%) also rallied. AMD guidance remains bullish through end of 2026. Relevant for tech investors tracking semiconductor scale and AI infrastructure trends.