Allegro Microsystems is trading 5.01% down now at $34.49 after broad market weakness pushed U.S. futures lower on September 14, 2026.

  • The Nasdaq Composite is down 1.52%, while the S&P 500 is down 0.61%.
  • Higher oil prices, Treasury yields, geopolitical concerns, and Fed-rate uncertainty are pressuring risk-sensitive technology shares.
  • No new company-specific announcement or analyst action was identified overnight.