The fallout began this week after Mr. Musk criticized the policy bill that Mr. Trump is championing, calling it an “abomination.” For investors, though, the concern is over how the spat might ...

President Trump and Elon Musk “seem to be in a little bit of a spat,” the producer said, displaying on a screen a new inflammatory post from Mr. Musk, the billionaire and owner of X, whose ...