ON Semiconductor is trading 4.32% up at $76.31 as semiconductor shares rebound after the September 24 pullback tied to elevated Treasury yields. - Shares opened higher on September 25, 2026, alongside broader U.S. indices. - No fresh company-specific announcement was identified; the latest investor-relations releases were dated September 16. A premarket report also linked the rebound to easing pressure after the prior session’s chip-sector weakness.