Tesla did it. It invested in Elon Musk's AI company xAI. "On January 16, 2026, Tesla entered into an agreement to invest approximately $2 billion to acquire shares of Series E Preferred Stock of xAI as part of their recent publicly-disclosed financing round,

Shares of Tesla Inc. rose slightly in after-hours trading today after the company beat expectations in its fiscal fourth quarter and Chief Executive Officer Elon Musk announced major changes that will shift Tesla’s identity beyond car manufacturing.

Investors are seeking more clarity Wednesday on how the company will meet CEO Elon Musk's ambitious timeline for robotaxi expansion. Tesla is set to be a major player in the U.S. autonomous-vehicle market,

Tesla’s annual profit plunged to its lowest level since the pandemic five years ago as it lost the title of the world’s biggest electric vehicle maker to a Chinese rival and boycotts hammered sales. The EV company run by Elon Musk reported Wednesday that net income last year dropped 46% to $3.