MACOM is trading 8.6% down now at $251.48 after broad semiconductor weakness tied to concerns that leading AI companies may slow advanced-development spending.
- The sector move appears to be the primary catalyst; SOXX fell 5.54% during regular trading, while major technology indexes also moved lower.
- No fresh company-specific announcement was identified for September 14, 2026; MACOM’s latest reported earnings coverage dates to August 6.