Elon Musk speaks near a Falcon 9 rocket during his announcement that Japanese billionaire Yusaku Maezawa will be the first private passenger who will fly around the Moon aboard the SpaceX BFR launch vehicle, at the SpaceX headquarters and rocket factory on September 17, 2018 in Hawthorne, California.  Japanese billionaire businessman, online fashion tycoon and art collector Yusaku Maezawa was revealed as the first tourist who will fly on a SpaceX rocket around the Moon. / AFP / DAVID MCNEW
A 2.8 per cent rally in the electric carmaker’s share price Wednesday boosted Musk's fortune. AFP  

Elon Musk overtakes Jeff Bezos as the world's richest person