Marvin Jung isn't buying into SpaceX because he thinks it's a bargain. The 51-year-old regional director of operations in veterinary care believes Elon Musk's rocket company is coming public at a valuation that is "really, really aggressive." Yet, he still requested 1,000 shares through Robinhood , betting enthusiasm for one of the world's most anticipated initial public offerings will overwhelm concerns about price. SpaceX has set a fixed price of $135 per share in the leadup to its IPO on