Coherent closed at $382.45 on May 15, 2026. The stock fell 5.55% during the session, reversing gains from two strong performances earlier in the week. Shares reached $381.09 in after-hours trading.
No major company-specific announcements accompanied the decline. The move likely reflects a broader shift toward risk-off sentiment across the market.
Overnight futures indicate weakening technology sentiment, which often pressures semiconductor and photonics-related equities. Investors are showing increased caution regarding growth valuations and interest rate sensitivity heading into the next session.