COHH is trading at $6.28 (+4.84%) on September 18, 2026, as AI interconnect demand expectations strengthen.

  • Tower Semiconductor and NewPhotonics began high-volume shipments of optical-engine PICs supporting 800Gā€“1.6T AI interconnects.
  • Coherent expanded its optical-line-system portfolio for AI datacenter connectivity, reinforcing the broader photonics-sector rebound.
  • Broader risk sentiment is supportive, but the move appears primarily sector-driven rather than macro-led.