突然，熔断！暴跌超1400点！日本、韩国股市崩了

Core Viewpoint - The article discusses the significant sell-off in the South Korean and Japanese stock markets due to escalating tensions in the Middle East, highlighting the impact on various sectors and investor sentiment [2][4]. Group 1: Market Performance - The South Korean composite index experienced a drop of over 5%, triggering a circuit breaker, while the KOSPI 200 futures fell by 5% during trading [3][4]. - Notable stocks such as Korean Air and Hanmi Semiconductor plummeted by 9%, while Kia and Hyundai saw declines exceeding 8%, and Samsung Electronics and SK Hynix dropped over 7% [3]. - The Nikkei 225 index in Japan also faced a significant decline, falling over 1300 points, representing a drop of 2.35% [4]. Group 2: Foreign Investment Activity - Foreign funds recorded a net sell-off of 6.8 trillion KRW (approximately 32.3 billion RMB) in South Korean stocks, marking a historical single-day net sell record [2][6]. - Analysts noted that hedge funds, which had previously invested heavily in Asian markets, are now reassessing their positions due to the geopolitical instability [4][5]. Group 3: Defense Sector Response - In contrast to the overall market decline, South Korean defense stocks surged, with Hanwha Aerospace rising over 14% and LIG NEX1 increasing by more than 26%, reaching daily limit gains [4]. Group 4: Geopolitical Context - The article highlights the ongoing tensions in the Middle East, including drone attacks on the U.S. embassy in Saudi Arabia, which have contributed to market volatility [8]. - U.S. President Trump's statements regarding potential retaliatory actions against Iran further exacerbate the uncertainty in the markets [8].