The accomplishment is even more impressive considering it has been just two years since Nvidia passed $1 trillion in market cap. Apple and Amazon reached $1 trillion in 2018 and Microsoft followed suit in 2019.

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.

Even at record highs, Nvidia’s stock may not be as expensive as it is touted to be. Some valuation metrics suggest room for upside