AI stock sell-off deepens as investors dump chipmakers Financial TimesShares of SK Hynix plunge 10% in Seoul as semiconductor selloff deepens CNBCSouth Korea’s Kospi index sinks more than 10% on heavy selling of chipmaking stocks Yahoo FinanceAsian chip stocks slide as China competition fears rattle AI trade ReutersOil Extends Decline, Asian Stocks Set for Losses: Markets Wrap Bloomberg