Elon Musk’s net worth hits estimated $600bn as SpaceX prepares for IPO

Startup valuation, likely to go public at $800bn, will bolster Musk's wealth to an estimated $677bn, according to Forbes

Elon Musk on Monday became the first person ever worth $600bn, according to Forbes. The news comes on the heels of reports that his SpaceX startup was likely to go public at a valuation of $800bn.

Musk, who was the first to surpass $500bn in net worth in October, owns an estimated 42% stake in SpaceX, which is preparing to go public next year. No other person has hit the $500bn mark.