Coherent is trading at $225.57, down 5.04%, amid a broad pre-market risk-off move.

  • The Nasdaq Composite is down 1.75% and the S&P 500 is down 1.00%, alongside renewed concerns about AI spending and weaker Asian shares.
  • Coherent reported fiscal Q4 revenue of $2.05 billion and guided fiscal Q1 2027 sales to $2.2–$2.4 billion. Available coverage does not establish these results as the cause of the decline, and no company-specific negative catalyst was confirmed.