Elon Musk thinks Tesla's humanoid robotics business could be worth trillions. Earnings season is in full swing, and, as usual, investors are paying close attention to anything and everything that even remotely touches artificial intelligence (AI).

After reaching a net worth of more than $486 billion in December, Elon Musk’s wealth has sunk below $400 billion for the first time in 2025. Tesla—where Musk derives about 60% of his wealth—has had an abysmal year. Waning demand and Musk’s continued controversial foray into politics have helped drive the stock down 27%.