SIMO ▼ -3.5% - Silicon Motion Technology Corporation $SIMO Silicon Motion reaches milestone in EU Cyber Resilience Act compliance program Silicon Motion Technology Corporation fell 3.5% today despite announcing progress on its EU Cyber Resilience Act compliance program. The milestone achievement suggests the company is meeting regulatory requirements for the European market, though investors may have anticipated more material news or stronger business drivers to move the stock positively on this regulatory update. 03-SEP-2026 08:34 PM ET