Tesla takes another leap toward becoming a physical AI company: Here are the 6 biggest takeaways from its Q4 earnings call.

Tesla CEO Elon Musk announced the Model S and Model X will be discontinued as part of the company's push towards full autonomous driving and humanoid robots.

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• Tesla's fourth-quarter earnings call heavily focused on the EV maker's pivot to physical AI.
• CEO Elon Musk announced a major investment in xAI and plans to discontinue the Model S and X.
• Tesla's revenue was largely buoyed by its energy business and other services.

Tesla is...