Allegro Microsystems is trading 5% down at $42.30 in after-hours sessions, following a series of sharp declines and continued pressure on semiconductor stocks.
- The stock closed 7.1% lower during regular hours on July 28, 2026, as part of a broad sector selloff linked to rising competition from Chinese manufacturers.
- Market sentiment has been further dampened by growing questions regarding the long-term sustainability of heavy AI-related capital expenditures.