Another day, another $US122 billion ($173 billion) added to the valuation of SpaceX, the shooting star of global markets.In yet another frenetic session on Wall Street – some $US66 billion worth of shares in Elon Musk’s conglomerate changed hands – SpaceX surged as much as 17 per cent, taking its market value to a peak of $US2.97 trillion, ahead of the valuations of Amazon and Microsoft, which are worth $2.64 trillion and $2.93 trillion respectively.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles