Nanya Technology is trading at TWD 449.00, down 6.56% on October 15, 2026, as investors react to Chinese chipmaker CXMT’s reported progress on denser DRAM technology, raising concerns about future competition and pricing pressure.

  • A sharp memory-stock selloff and broader worries about AI valuations and investment also weighed on chipmakers.
  • No separate Nanya-specific announcement explaining the move was identified.