Elon Musk’s Net Worth Fell $15 Billion After Tesla Robotaxi Event

• Tesla debuted its prototype Cybercab at Thursday’s “We, Robot” event in Los Angeles.
• Tesla stock fell more than 9% on Friday, reducing Elon Musk’s net worth.
• Though his net worth dropped by about $15 billion, Musk remains the world’s richest man.

Tesla’s robotaxi event, at which the company debuted the long-anticipated prototypes for its Cybercab and Robovan, failed to impress many investors and Wall Street analysts. The company’s stock tumbled in the aftermath — and with it