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 in data centers, power electronics, and laser systems, investors are zeroing in on suppliers that can effectively pull heat away from the die. It might sound like a materials science lesson, but the market is listening. U.S. stock markets stayed