Once a key member of President Donald Trump's inner circle, a major campaign donor and a scene-stealing presence at Cabinet meetings, Elon Musk's relationship with the president has deteriorated into a bitter public feud since leaving the White House last week.

The world's richest man is as of now $26.6 billion less rich than he was yesterday, according to Forbes' real time Billionaires tracker. Musk will not be needing to add another job to his plate anytime soon,

Musk announced his company, SpaceX, will withdraw from service its Dragon spacecraft — critical to the American space program.