Nvidia result beats estimates, lifts AI and global tech shares

Shares of Nvidia, the AI bellwether, surged to a record high after the company announced better-than-expected quarterly revenue and a $25 billion buyback plan. The results showed that the AI rally on Wall Street is still going strong. Nvidia's market capitalization reached $1.21 trillion, and more than 20 brokerages raised their target price for the stock. https://ift.tt/2fBW0cM