Tesla stock fell almost 15% this past week. That left Tesla shares up 24% since late April when management said Tesla’s robotaxi launch was on track for June.

Elon Musk’s bitter falling-out with President Trump could be costly for Tesla. As long as he is persona non grata in the Trump administration, Mr. Musk, the chief executive of Tesla, will struggle to persuade Republicans not to gut climate policies worth billions of dollars to the electric car and battery company.