The substantial rise in Nvidia's share price has, however, has raised questions about whether those not already invested should buy the stock now, or wait to see if its price drops. Buy Nvidia Trent Masters, portfolio manager at the Sydney-based Alphinity Investment Management, has a buy recommendation on Nvidia, even as he acknowledges that it is "hard to buy a stock that has already gone up a lot." Acknowledging that Nvidia is a "great company," that is effectively operating a "monopoly" in the AI chipmaker segment, he has been reducing his holdings in the stock "Nvidia is a company that ran too far too fast. For instance, he is looking at an annualized revenue growth rate of near 50% over the next five years to justify the stock price. Despite reducing his position in the stock, Coons remains cautiously optimistic on Nvidia.

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Persons: It's, We've, we've, Nvidia Adam Coons, Coons, " Coons Organizations: Nvidia, CNBC, Nvidia Trent Masters, Alphinity Investment Management, Devices, Winthop Investment Management Locations: Sydney, U.S