Global stock markets fall sharply over AI bubble fears

Asian markets recorded the sharpest slide in seven months on Wednesday. Asian markets recorded the sharpest slide in seven months on Wednesday. Global stock markets have fallen sharply amid concerns that a boom in valuations of artificial intelligence (AI) companies could be rapidly cooling. Markets in the US, Asia and Europe have fallen after bank bosses warned a serious stock market correction could lie ahead, after a run of record stock market highs led some companies to appear overvalued . In the US, the tech-focused Nasdaq and the S&P 500 on Tuesday suffered their largest one-day percentage drop in almost a month.