Aehr Test Systems is trading 4.36% down at $101.35, extending a sharp pullback after closing at $105.97 on August 20, 2026.
- The company announced participation in the Jefferies semiconductor conference on August 21; the event is not a negative catalyst.
- Recent earnings, guidance, and AI-related order news were positive, while reported insider selling followed the rally.
- No verified company-specific explanation for the August 21 decline was identified.