This comes as investors rush to invest in artificial intelligence (AI) , further boosting tech stocks to record highs. The Philadelphia Stock Exchange Semiconductor Index and an Asia chip stock index have both contributed to this impressive growth, according to Bloomberg calculations. Market leaders Korean chip stocks soar, pushing Kospi index to record high Korean chip stocks have emerged as major beneficiaries of this AI-driven market rally. Valuation surge AI boom boosts chipmakers' valuations The ongoing AI boom has significantly increased the valuations of chipmakers. Bloomberg's Asia chip index is currently trading at around 19 times forward earnings estimates, while the SOX Index is trading at 27 times earnings, approaching record highs.