A SpaceX-branded tomahawk steak carving station. That's the kind of extravagant detail JPMorgan put into a celebration for Elon Musk 's rocket-making company's record-breaking public debut. JPMorgan is set to host around 250 SpaceX employees at its new Park Avenue headquarters for an intergalaxy-inspired evening with dinner and cocktails Friday, a source familiar with the bank's plan told Business Insider. The evening will be capped off with a specially curated light show at the top of the 60-