Musk, who also runs SpaceX and a number of other companies, has been known to make big often exaggerated promises. For example, he once called the Hyperloop, which was never built, the "fifth mode of transport" and famously promised to take Tesla private in a Twitter post, saying he had secured financing that he didn't have.

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. That comes as TSLA stock has retreated in recent days to a critical juncture.

Tesla delivered 495,570 cars in Q4 2024, with Elon Musk saying that 2025 will be 'the biggest year in Tesla's history' with new releases along the way.