Nvidia passed Apple on Tuesday to claim the top spot as the biggest company in the world with a market cap of $3.43 trillion to Apple's $3.38 trillion.At the time of writing, Nvidia had a market cap of $3.

Jensen Huang runs Nvidia, the world's hottest chip maker. The company's stock surge means he is now worth more than $122 billion.

Nvidia is now the world’s most valuable company, surpassing Apple in a tech shake-up that reflects the growing dominance of artificial intelligence.