Musk spoke at a conference and alluded that Optimus could be a $200 trillion business someday. That's multiples larger than the $10 trillion he suggested more rec

Tesla Chief Executive Elon Musk's brother, Kimbal Musk, who is a Tesla board member, sold 27 million worth of Tesla stock on Thursday, according to regulatory filings. Kimbal Musk sold 75,000 TSLA shares for an estimated $27.

Tesla sales have plummeted across Europe amid fears owner Elon Musk's political affiliations are causing motorists to turn away from the electric vehicle brand. The latest sales data from across the continent show a staggering 59.