SMGB.L is trading at £87.15, up 3.03%, with the move appearing primarily sector-driven amid persistent AI-infrastructure demand. - Semiconductor shares have rallied, with Marvell, AMD and Intel among the strongest recent performers. - U.S. equity futures are higher; the Philadelphia Semiconductor Index remained near elevated levels after a modest September 24 decline. - The rally follows several strong sessions in chip stocks, despite elevated Treasury yields.