Gary Black warns that Elon Musk-led SpaceX's shares may drop below $135 IPO price and it is all down to this IPO rule.

SpaceX stock has tumbled to a record low as top Wall Street analysts predict a 65% surge in the near term, pointing to its strong growth.

Gary Black warns that Elon Musk-led SpaceX's shares may drop below $135 IPO price and it is all down to this IPO rule.