SK Hynix is trading at KRW 1,223,000, down 4.23%, as a broader memory-chip selloff reflects concerns that AI spending may peak.

  • On October 21, 2026, sector reporting described these concerns weighing on memory-chip makers, including SK Hynix.
  • Chinese rival CXMT’s technology advances could intensify competition.
  • Available reporting identified no stronger company-specific catalyst; the supplied sector trend is the clearest explanation.