Aehr Test Systems is trading 13.7% down at $125.70 amid a semiconductor-sector sell-off.
- Shares rose from $103.07 on August 7 to $145.61 on August 17.
- No company-specific announcement explaining the August 18 decline was identified.
- SOXX is down 2.78%, as rising bond yields and escalating U.S.-Iran tensions weigh on growth-stock valuations and risk appetite.