The hottest investment story of the decade is also becoming one of its biggest financial questions.

The US Treasury warns AI investment mania mirrors the dot-com bubble, with over $20 trillion in wealth at risk and implications for crypto markets.

The hottest investment story of the decade is also becoming one of its biggest financial questions.

The countries getting the biggest boost from the AI boom could also have the most at stake if the technology fails to deliver on today's lofty expectations.