ON Semiconductor Stock (NASDAQ: ON) Today: Nasdaq-100 Removal, New GaN Partnership, Buyback Plan and Analyst Forecasts (Dec. 22, 2025)
ON Semiconductor Corporation (onsemi) stock is in focus on Monday, December 22, 2025, as investors balance index-driven flows, a fresh strategic partnership in gallium nitride (GaN), and an aggressive capital-return plan—all against a backdrop of strengthening sentiment across chip shares