South Korean stocks at risk of `swift downside reversal' as SK Hynix, Samsung dominate: BTIG ⊖ found 2026 › May › 28 (Thu) @ 02:01 UTC a story from CNBC ⚠️ › Top News South ■■■ Korean ■■ SK Hynix ■■ Samsung ■■ South Korea ■■ Kospi ■■ BTIG ■■ preview sentiment