中东局势冲击“今年最牛股市”：韩股创18个月最大日跌幅，在美上市韩国ETF一度暴跌近15%，三星、SK海力士跌约10%

Group 1 - The Korean stock index Kospi experienced a significant drop of over 7% in a single trading day, triggering a trading halt due to high volatility [2][3] - Major stocks such as Samsung and SK Hynix saw substantial declines, with prices falling by 9.88% and 11.5% respectively, contributing to the largest single-day drop since August 2024 [7] - The year-to-date gain of the Kospi index decreased from 50% to 37% following this sharp decline, indicating a significant profit-taking event [8] Group 2 - Foreign investors had already begun to reduce their exposure prior to the market drop, with a net outflow of 7 trillion KRW (approximately 4.7 billion USD) on the last trading day of February [9] - The Korean won depreciated by 1.34% against the US dollar, reflecting increased risk aversion in the market, while oil prices surged due to geopolitical tensions, impacting Korea's economy as a major oil importer [7][10] - Despite the market downturn, certain sectors such as shipping, defense, and energy stocks saw gains, indicating a structural shift in investment focus towards assets driven by geopolitical events [10][11]