Driven by two heavyweight stocks, Samsung Electronics and SK Hynix, South Korea's KOSPI index once surged 5.1% intraday today (27th) to a record high of 8,457 points, before closing up 181 points or 2.3% at 8,228.Although SK Hynix has climbed more than 250% year to date, analysts believe the AI-driven rally is not over. Mirae As...