MKS Instruments is trading 8.05% down at $246.82 as semiconductor shares sell off sharply on concerns that AI development may slow, reducing expected demand for advanced chips and related equipment.
- The sector move appears stronger than broader-market weakness, with SOXX down 5.54%.
- The S&P 500 and Nasdaq are also lower.
- No company-specific announcement or fresh MKS catalyst was identified.