Tesla Shares Caught in the Middle of Musk-Trump Breakup

Tesla vehicles at the company's store in Colma, California.

Photographer: David Paul Morris/Bloomberg

When President Donald Trump won the election in November, investors viewed Tesla Inc. as one of the biggest winners. That bet now seems to be on shaky ground after investors watched the once formidable alliance dissolve in real time.

Simmering tensions over Trump’s signature tax-and-spending bill erupted into a public war of words on Thursday, with Trump mullingBloomberg Terminal an end government contracts and subsidies for Tesla and Space Exploration Technologies Corp. Musk said he would decommissionBloomberg Terminal a SpaceX aircraft used by the US, only to walk back his threat later in the day.