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.

Shares of Verint Systems surged in early trading Thursday after the automation-software company posted a strong fiscal first quarter and offered a rosy outlook for the year. Adjusted earnings of 29 cents a share topped the 13 cents a share Wall Street had anticipated,