Elon Musk's escalating feud with President Trump could have serious financial fallout for the tech billionaire's companies.

Musk has called to “kill” Trump’s policy bill, criticizing the legislation as “massive, outrageous” and “pork-filled.”

The breakup between the president of the United States and the world’s richest man is unfurling much like their relationship started — rapidly, intensely and very publicly. As…