Tech giant Nvidia's value overtakes Apple BBC News

Nvidia's market value has surged past $3tn (£2.3tn),lifting the chip giant ahead of Apple to become thesecond most valuable publicly listed company in the world.

The firm's share price rose more than 5% on Wednesday, to more than $1,224.

It extended a breathtakingly rapid climb that startedlast year, powered by bets that the US firm ispositioned to be a major winner from a wave ofinvestment in artificial intelligence (Al).