Space Exploration Technologies (NASDAQ: SPCX), better known as SpaceX, has seen its stock price tumble since it made its market debut in June. Wall Street analysts see a huge move in SpaceX's stock price by next summer, according to their price targets. The median price target for SpaceX stock among 37 Wall Street analysts is $225 per share. What's more, a handful of those price targets come from analysts working for the investment banks that underwrote the SpaceX IPO. Can SpaceX double by next year?