Why South Korea's Stock Market Fell: It's About Chip Demand, Not Bad Company News

South Korea's main stock index dropped 20% since June. The slide mirrors falling prices for memory chips (the semiconductors that store data) worldwide. Two companies—Samsung and SK Hynix—drive most of the index and make these chips for AI data centers. If chip demand steadies, both can bounce back. The risk: the index relies too heavily on them.