The KOSPI surged 4.63% on June 12 (intraday +8%) as Samsung (+7.86%) and SK Hynix (+4.05%) led an AI-chip rally on easing Iran tensions, keeping it 2026's best-performing major index (+95% YTD). A final US-Iran peace deal could be signed as soon as Sunday, a positive catalyst for Monday's open that outweighs pullback risk, so KODEX 200 should extend higher next session.