Elon Musk's SpaceX is gearing up for what could be the most consequential stock market debut in history. The rocket and satellite company is eyeing a Wall Street listing as early as next month, with reports suggesting it could raise as much as $75 billion (€68bn) — a figure that would eclipse every IPO ever recorded. ADVERTISEMENT ADVERTISEMENT To put that in perspective, here is every record-holder it would be leapfrogging. The current champion: Saudi Aramco The world's most profitable oil