Here's why Nvidia will likely become the first company to surpass $4 trillion in market value, what Nvidia and Microsoft must do to continue rising in price, and whether either growth stock is a buy now.

The A.I. chip maker reached the landmark before Apple and Microsoft, as its value rose more than tenfold after ChatGPT’s release in late 2022.

NVIDIA was briefly worth $4 trillion this week. The tech giant passed that milestone and became the first $4 trillion company following a 2.5% increase in stock value at one point on July 9, 2025. The valuation of NVIDIA has since dropped to around $3.97 trillion.