Applied Materials is trading at $83.10, up 3.62%, alongside a semiconductor rebound. - SOXX was up 2.59% during the regular session; broader indexes were mixed, making sector strength the clearest explanation for the move. - Applied Materials announced plans to increase its BE Semiconductor stake to approximately 20%, deepening an advanced-packaging partnership focused on AI chips. Available reporting does not establish the announcement as the direct cause of the October 27 move.