Space stocks jump with huge demand as investors clamor for any way 'to get long SpaceX'

Today is the big day. If you want clues for what might happen, look to the proxy trades that have been the rage among options traders. Options volumes are booming in stocks with ties to SpaceX ahead of Friday's historic debut of the newest public entity run by the world's richest man. While Wall Street debates whether the $1.75 trillion IPO is an egregiously overpriced hype-machine or the future of mankind, traders are piling into calls on anything that might catch a bid by association. …