Lumentum Rockets 15% on Blowout Earnings, Coherent Climbs 9%, Corning Gains 5% on Optics Earnings and CoreWeave, Super Micro Read-Through

Lumentum (NASDAQ:LITE) shares surged 15% after reporting blowout fiscal Q4 2026 earnings, with revenue more than doubling to $1.01 billion and pump-laser shipments up 80% year over year. The strong performance fueled gains in other AI optics stocks like Coherent (NYSE:COHR) and Corning (NYSE:GLW), as well as AI infrastructure firms Super Micro Computer (NASDAQ:SMCI) and CoreWeave (NASDAQ:CRWV), reinforcing momentum in hyperscaler capital expenditures. Analysts offered mixed reactions, with some raising price targets while others cautioned on valuation despite the strong outlook.