Central bank says market concentration hasn't been this extreme in 50 years.

ChatGPT, Gemini and Claude are extraordinary feats of engineering, but they don’t represent sustainable AI.

“AI better deliver for the U.S., or its economy and markets will lose the one leg they are now standing on,” warns Ruchir Sharma of Rockefeller International.

The broad parallels are genuinely close to the madness of the late-1990s dotcom bubble

The top five members of the S&P 500 command nearly 30% of market share, a record high for any point over the past 50 years.

Central bank says market concentration hasn't been this extreme in 50 years.

The record-high price of gold suggests that a lot of investors want a hedge against an implosion in U.S. tech stocks. Yet some analysts are saying that you should believe the hype.

The growing risk that tech stock prices pumped up by the AI boom could burst is being flagged.

Dimon said when the bubble will burst is hard to predict.

Editorial: Warnings about inflated tech stocks suggest investors never learn and central bankers learn too late

“It seems you can’t go anywhere without talking about AI,” says Aditya Bhave, senior U.S. economist at Bank of America Research.