MKOR is trading 5.2% down on August 18, 2026 as sharply higher U.S. Treasury yields pressure technology and growth equities.

  • Despite an initially strong South Korean semiconductor rally, the KOSPI later fell 1.55% as institutional profit-taking overwhelmed optimism around AI-chip demand.
  • Renewed U.S.-Iran tensions lifted oil and inflation concerns, pushing the U.S. 30-year Treasury yield above 5.3%.
  • Broader U.S. market weakness is amplifying the decline in this Korea-focused ETF.