MediaTek is trading at TWD 3,565, with a -4.04% change; broader semiconductor-sector pressure is the likeliest explanation.

  • No clear MediaTek-specific announcement explaining the November 5 move surfaced in available reporting.
  • The broader backdrop includes investor concerns about AI-infrastructure spending and technology-sector volatility.
  • Recent coverage also described heavy foreign selling in Taiwan equities during the earlier sell-off.