🟢 Allegro Microsystems is trading 4.73% up in after-hours trading amid semiconductor weakness and rising Treasury yields

Allegro Microsystems is trading at $38.95, up +4.73% after-hours amid broader market pressure.

• After-hours buying followed a 3.02% regular-session decline on August 20, 2026.
• No company-specific announcement, earnings release, or analyst action was identified.
• Semiconductor weakness and rising Treasury yields pressured risk-sensitive technology shares; Reuters cited elevated yields and geopolitical uncertainty, while the Nasdaq Composite fell 1.15%.