Nvidia drives global stock market rally as artificial intelligence buying spree returns

Nvidia’s numbers highlighted the company’s ongoing position at the top dog in the AI world, says stock market analyst

Nvidia chief executive Jensen Huang. The chip maker's shares have now gained 274% from this time last year on the promise of its artificial intelligence products 

Outsized earnings of chip designer Nvidia has re-sparked a buying frenzy for tech stocks and companies linked to artificial intelligence products, pushing global stock markets much higher. 

Many leading Irish shares also joined in the US and Europe-wide buying spree a day after Nvidia posted quarterly earnings that beat analyst expectations.