There’s a new multitrillion-dollar kid on the block. Nvidia on Wednesday became the world’s most valuable company, with its market capitalization briefly touching $4 trillion intraday. It was the culmination of a breathtaking rally that’s seen the stock appreciate by over 1,

Nvidia briefly reached a market capitalization of $4 trillion on Wednesday, making it the first company in the world to reach the milestone and solidifying its position as one of Wall Street's most-favored stocks.