Investors are throwing money at long term promises that may never materialize. But if some do, maybe that's enough.

Elon Musk's SpaceX is preparing for a historic $75 billion IPO, aiming for a $1.75 trillion valuation despite reporting significant losses. While investor demand is high, concerns…

Most of the value in SpaceX's IPO is effectively a call option on the company's ambitious space data center plans.