ARTY is trading at $87.36, up 8.12% in pre-market; no verified ARTY-specific announcement or reporting directly explains the move. - ARTY is the iShares Future AI & Tech ETF, representing a basket of AI and technology companies rather than a single operating company. - Marvell’s Investor Day is scheduled for October 6, but available sources do not establish it as the cause. - The broader market backdrop is mildly positive, with major indices up less than 0.5%, which alone does not explain ARTY’s larger move.