MediaTek is trading at TWD 4,225.00 (+5.23%) as a broad semiconductor-sector rally followed AI infrastructure earnings that eased demand concerns.
- No fresh company-specific announcement on August 13, 2026 was identified as the direct catalyst.
- Investors were encouraged by sustained AI hardware spending and stronger infrastructure outlooks.
- Earlier AI-data-center expansion plans and Q2 results remain supportive background, but are not new catalysts for this session.