This hot growth stock, which has a sky-high valuation due to the hype surrounding its plans for an autonomous ride-sharing network, could plummet.

Tesla ( TSLA 6.18% ) is one of the market's favorite artificial intelligence (AI) plays. The pitch is simple: autonomy, ride-hailing, and software-like margins layered onto a global electric vehicle platform. Yet, earlier this month, a Guggenheim analyst reiterated a sell rating and a $175 price target for the stock. The analyst has concerns about Tesla's plans for its autonomous ride-sharing network, called Robotaxi. He believes its rollout will be lengthy, costly, and risky, featuring a significant cash burn, technical hurdles, and regulatory risk.

But is the analyst right to be so bearish on Tesla?

Robotaxi progress is real -- but

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