Coherent is trading 5.95% lower at $183.49 as semiconductor and AI-infrastructure shares face pressure over concerns that tighter data-center regulation could slow construction and weaken demand.

  • The sector index is down 3.35%.
  • Fiscal first-quarter revenue was $2.37 billion, and Coherent beat earnings and revenue estimates.
  • Despite its upbeat report and outlook, broader sector sentiment is the clearer context for the decline.