If Nvidia trades at a discounted 15 times sales at that time, it could still hit a $6 trillion valuation by 2030. So, investors can still consider buying this AI stock in anticipation of more upside in the long run, as it seems capable of maintaining its healthy growth rate over the next five years.

Artificial intelligence (AI) stocks scored major gains over the past two years as investors bet on the power of the technology to revolutionize the world -- from our daily lives to how companies operate.