Elon Musk appeared visibly distressed during a Fox Business interview, discussing the difficulties in managing his multiple ventures amid Tesla's 15.4% stock drop. Investors are worried about Musk's political involvement distracting him from Tesla,

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.