AMDC is trading 2% up in after-hours trading, reflecting strength in its underlying AMD exposure amid AI-infrastructure optimism. - AMD surpassed a $1 trillion market capitalization; on September 22, AMD was reported about 1% higher during the session. - Broad chip momentum and strong AI-demand expectations supported AMD; AMDC targets 2× AMD’s daily performance, amplifying modest moves. - The broader market was mixed, suggesting a sector-driven move; it follows AMD’s sharp September 21 advance and AI-spending enthusiasm.