Samsung Electronics is trading 4.4% down at KRW 250,500 as memory-chip shares weakened amid concerns that CXMT is advancing next-generation DRAM technology.

  • Reporting linked declines in Samsung and SK Hynix to the competitive threat, alongside broader pressure on semiconductor stocks and profit-taking in AI-related shares.
  • Samsung’s announced 12.26 trillion won semiconductor investment in Vietnam and South Korea was reported on October 12; available coverage did not identify it as the cause.