$600 million is a lot of value to extract from a thinly traded stock, but I suppose they can try their best.  Even harvesting $100-200 million would be a huge win for most of the investors that got their shares via cheap warrants from various fund-raising rounds.

 

The greater fool theory eventually comes to a bad end when they run out of fools, and maybe the iHub activity level is focused on recruiting some more fools.  When the end comes in this type of stock, it usually comes swiftly, but NWBO offers a good lesson in how to keep the gravy train on the tracks.