277650.KS is trading at KRW 20715.00 (-3.07%) as the decline appears driven by rotation from mid-cap stocks into large-cap semiconductor leaders.

  • Although the KOSPI initially rallied more than 2% on August 18, 2026, gains concentrated in Samsung Electronics and SK hynix while most listed shares declined.
  • Institutional profit-taking later pushed the KOSPI below 7,000, with approximately KRW 660.6 billion in net sales.
  • The ETF’s diversified 198-stock portfolio likely amplified the broad mid-cap weakness.