Elon Musk's empire isn't exactly crumbling, but it looks increasingly vulnerable as his falling out with President Trump intensifies. Why it matters: The world's richest person enjoyed ballooning wealth in the early days of his alliance with the president,

Dan Ives, an analyst with Wedbush, wrote that Musk's continued push into politics is "exactly the opposite direction" investors want to see.

Shares of electric vehicle maker Tesla tumbled 8% in morning trading as the feud between CEO Elon Musk and Trump reignited over the weekend