https://www.live-feeds.com/feed/amd-stock-crosses-1-trillion-market-cap-for-first-timeContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/amd-stock-crosses-1-trillion-market-cap-for-first-timehttps://www.live-feeds.com/feed/amd-stock-crosses-1-trillion-market-cap-for-first-time#u81248Wed, 23 Sep 2026 10:40:37 +0000Advanced Micro Devices surpassed a $1 trillion market capitalization for the first time following a five-session rally that lifted shares roughly 24 percent. Led by Dr. Lisa Su, the chipmaker became the fourth US semiconductor firm to reach this valuation milestone. Investor enthusiasm for artificial intelligence hardware and expanding data center business fueled the surge, driving semiconductors higher across the market.Why it mattersThe company spent most of the artificial intelligence boom chasing Nvidia Corp from a distance before shares surged about 187 percent this year compared to rough