Why SpaceX is rocketing toward largest IPO in stock market history
SpaceX, the rocket company founded by Elon Musk, will be going public and is expected to become the largest IPO in stock market history. Musk and the company are looking to raise roughly $75 billion. That would raise the company's value to about $1.7 trillion, automatically making it the world's most valuable publicly traded company. Geoff Bennett discussed more with Ron Insana.

