Some big names on Wall Street have waded in amid the amid the public breakdown of Elon Musk President Donald Trump's relationship. Billionaire investor Bill Ackman, who founded the hedge fund Pershing Square Capital,

The Wall Street billionaire remade himself into a very-online, Trump-loving culture warrior. Now he wants to be the next Warren Buffett.

Elon Musk responded to Bill Ackman's suggestion to reconcile with Donald Trump after their public disagreement.

Bill Ackman invested nearly half a billion dollars in the shares of collapsed federally backed agencies Fannie Mae and Freddie Mac. John Paulson, fresh off making billions shorting subprime mortgages, bought their preferred shares. Under President Donald Trump, those wagers seem nearer than ever to a potential multibillion-dollar payout.

President Trump has been feuding with Elon Musk over The One, Big, Beautiful Bill. Here's why Musk could have suddenly changed his tune on the Trump administration.

Trump warns his former ally against backing any Democratic candidates to challenge the Republicans, as a messy feud between the two escalates.