There has been no obvious trigger for the pullback in AI-related share prices. Photo: Bloomberg

There has been no obvious trigger for the pullback in AI-related share prices. Photo: Bloomberg

Lawrence White and Dhara Ranasinghe

ReutersToday at 06:30

Tech-heavy stock markets were heading for their biggest weekly fall in seven months yesterday, as investors fretted over the sustainability of a rally in artificial intelligence stocks.

Weaker-than-expected China trade data also showed how hard US president Donald Trump’s tariffs have hit.