Will Musk's explosive row with Trump help or harm his businesses?

When Elon Musk recently announced that he was stepping back from politics, investors hoped that would mean he would step up his involvement in the many tech firms he runs.

His explosive row with US President Donald Trump - and the very public airing of his dirty White House laundry - suggests Musk's changing priorities might not quite be the salve they had been hoping for.

Instead of Musk retreating somewhat from the public eye and focusing on boosting the fortunes of Tesla and his other enterprises, he now finds himself being threatened with a boycott from one of his main customers - Trump's federal government. read more