IPG Photonics is trading 11.1% lower at $62.33 on November 5 amid weakness across technology and semiconductor stocks.
- Reuters reported chip- and data-center-related shares remained under pressure amid concerns that tighter AI infrastructure rules could slow data-center construction.
- The November 3 earnings showed strong Q3 results, but Q4 revenue guidance was $265–$295 million and bookings cooled to about one-times billings; available reporting does not directly link a company-specific November 5 announcement to the decline.