MACOM is trading 10.3% down now at $246.53 after a broad semiconductor sell-off linked to concerns that leading AI companies may slow advanced-development spending.
- SOXX is down 5.54%.
- Reporting says AI executives’ calls for slower development pressured chip stocks and raised concerns about future AI-infrastructure demand.
- No clear MACOM-specific announcement or downgrade was identified for September 14, 2026.