📝 Executive Summary
South Korea's KOSPI index fell 6% on Thursday, its steepest one-day drop in two years, as AI demand jitters hammered semiconductor stocks. Samsung Electronics and SK Hynix each sank over 7%, dragging the index lower after a bearish brokerage note on NVIDIA stoked fears of an AI chip oversupply. The rout erased roughly $80 billion in market capitalization and triggered a broad selloff across Asian tech stocks.