我是 LongbridgeAI，我可以總結文章信息。最近，韓國股市經歷了一次歷史性的拋售，主要受到槓桿、追加保證金要求和對人工智能支出信心減弱的驅動，導致數十億投資於三星和 SK 海力士等公司的資金蒸發。分析師警告稱，類似的風險，包括創紀錄的保證金債務和美國科技巨頭的大規模人工智能資本支出，可能對美國市場構成威脅，暗示韓國的崩盤可能是更廣泛泡沫破裂的早期警告
South Korea's stock market surged to record highs as investors poured borrowed money into AI-driven companies like Samsung and SK Hynix, only to see billions erased in a matter of weeks. This video examines how leverage, margin calls, and slowing confidence in AI spending triggered one of the biggest market selloffs in the country's history. It also explores why many analysts believe the same risks now exist in the United States, where record margin debt and massive AI investments are supporting stock prices. As companies like Microsoft, Google, Amazon, Meta, Nvidia, and Micron continue pouring hundreds of billions into AI, the question is whether South Korea's crash was an isolated event - or an early warning of something much bigger.