NEW YORK, June 9 : Short sellers beware: Elon Musk's SpaceX IPO may be too hot to handle.On the face of it, the company is a natural target for short sellers - investors who sell borrowed shares to profit from a future slide in prices.With an estimated price-to-revenue multiple of 56, eye-popping even

Here’s what investors need to know about buying shares in the IPO

SpaceX IPO: At roughly 110 times trailing sales, Elon Musk-led company's valuation assumes years of rapid growth, raising the stakes for investors if the company falls short of…