The unprecedented size of SpaceX’s debut makes the market mechanics more complicated, and the fear of unexpected glitches like the ones that derailed Facebook’s IPO in 2012 is guaranteed to keep executives on edge. SpaceX SpaceX debuts with a $75 billion IPO, among the largest everShares set to jump 30% above the $135 offering price on NasdaqIPO orders exceeded $350 billion from all investor groupsDid our AI summary help? Shares of SpaceX appeared ready to jump when they start trading on Friday after Elon Musk’s company made history with a $75 billion IPO that instantly turned it into one of…