Allegro Microsystems is trading 4.23% down at $36.00 after broad semiconductor weakness intensified on August 28, 2026.

  • The sector selloff followed Marvell Technology’s delayed timeline for meaningful revenue from its Google AI-chip agreement, prompting profit-taking across chip stocks.
  • No new Allegro Microsystems-specific announcement, earnings release, or company catalyst was identified for August 28, 2026.
  • The move therefore appears primarily sector-driven rather than related to company fundamentals.