ChipMOS Technologies is trading 5.42% down in pre-market at $67.70, amid broader pressure on semiconductor stocks.

  • No new company-specific announcement was identified for September 29.
  • Its latest listed company release was the September 10 report on August revenue.
  • Reports cited intensified AI-safety concerns and rising bond yields as factors weighing on chip shares; this is sector context, not a confirmed company-specific catalyst.