SpaceX could be worth more than the rest of Earth: Elon Musk

Billionaire Elon Musk said his space venture SpaceX "will be worth more than the rest of Earth" if it accomplishes its goals. The company, which recently went public, aims to make humanity a multiplanetary species and build human settlements on Mars and the Moon. SpaceX is currently the world's seventh-largest company with a $2 trillion market capitalisation.