Recent swings in tech stocks are reviving fears of an AI bubble - and some experts warn that if it pops, the fallout could be bigger than anything Wall Street has ever seen.

There are plenty of ways to invest in AI - but question marks remain for some people over future earnings and growth

Recent swings in tech stocks are reviving fears of an AI bubble - and some experts warn that if it pops, the fallout could be bigger than anything Wall Street has ever seen.