Shares of electric vehicle maker Tesla ($TSLA) are down 8% after the company’s Cybercab event failed to impress Wall Street analysts. At the

Shares in Tesla plunged about 8.8% by the close of trading Friday, a day after Elon Musk and his dancing robots failed to impress with the electric vehicle company's robotaxi unveiling. Tesla shares opened Friday down 6% from the previous day's closing and continued to fall thoughout the day.

ToplineTesla stock dove Friday as the initial reaction was sour to the electric vehicle company’s eagerly awaited robotaxi day, with analysts largely knocking the lack of details presented Thursday night by Elon Musk’s electric vehicle firm on its autonomous driving efforts.

Tesla unveiled its self-driving taxi, Cybercab along with a van model during 'We, Robot' event Thursday night.

At Tesla’s “We, Robot” event on Oct. 10, Elon Musk finally unveiled his much-anticipated Cybercab. Yet he was light on details, renewing investor skepticism about the viability of Tesla’s strategy. (S

Tesla has lots of hurdles to jump before launching driverless rides, but an overlooked barrier is car insurance.

Tesla CEO Elon Musk unveiled the company's self-driving concept taxi—the Cybercab—and investors are both skeptical and less than impressed with the vision Musk is selling. At the Austin automaker's "We,

Elon Musk's long history of overpromising on tech breakthroughs left investors with more questions than answers about the radically new driverless vehicles.