Lumentum is trading 4.14% up at $787.51 amid a reported optical-stock rebound. - The rise appears to be a rebound after an 11.54% decline on October 22; reports say peers also advanced. - Reports cite continued attention to strong AI-data-center demand and Lumentum’s sold-out component capacity. - Broader market indices were higher, each up less than 0.5%; no new major company announcement for October 26 was identified.