This suggests that a reaction from consumers who dislike Mr Musk’s antics are only one reason for falling sales. An updated Model Y, Tesla’s best-selling vehicle, has just gone on sale. In preparation Tesla ran down inventory of the old model, crimping supply. Customers doubtless held off purchases until the new car was available.

Elon Musk visited the National Security Agency on Wednesday and met with NSA chief Gen. Timothy Haugh, an agency spokesperson confirmed to Axios. Why it matters: This is Musk's first recorded visit to an intelligence agency as a special adviser to the president.