Trump also singled-out Mr Musk in his victory speech, spending several minutes praising his rocket firm, Space X. Mr Musk's association with the president-elect also boosted the share price of his electric car maker Tesla - and, with it, his net worth, which now stands at an estimated $290bn.

Nov 6 (Reuters) - Elon Musk’s backing of Donald Trump’s decisive victory for a second presidency gives the billionaire entrepreneur extraordinary influence to help his companies secure favorable government treatment. Musk contributed at least $119 ...

The candidate largely let the billionaire run his $175 million ground game — a gamble that future candidates could look to emulate.