Investors continue to underestimate artificial intelligence (AI), the secular tailwinds behind the chipmaker's supercharged growth.

Strong data-center spending means higher sales for companies including Nvidia, AMD, and Broadcom that sell hardware products for their buildouts.

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.