For all the insults that Mr. Musk and Mr. Trump traded on Thursday, don’t be surprised if they make up again days from now. In the meantime, they both benefit.

The public split between President Donald Trump and former White House adviser Elon Musk grew into an exchange of fiery comments on June 5.

As Elon Musk and Donald Trump take jabs at each other online, their respective businesses are plummeting in value.