Coherent stock: what to watch Tuesday after bondable diamond cooling launch
New York, Jan 19, 2026, 19:57 EST — Market closed Coherent Corp’s shares ended Friday at $191.04, dropping about 2.5%. The photonics supplier will likely draw renewed focus as U.S. markets resume after the Martin Luther King Jr. Day holiday, driven by its rollout of a new thermal-management product line. (FinanceCharts) The pitch is losing steam. With chips running hotter…