They said they planned on trying to get private investors to invest in their site. If they have a positive profit showing on their site then they will have an easier time getting private investors to invest, investors who would more likely agree to leave their investment in their site for longer periods of time.
The fact that Mateo lost a whole bunch of money does not dispel any questions i have about the validity of this user account. Actually it just piles on the questions. How he could have SUCH an amazing win streak then a ridiculous loss streak is just crazy.
just hope people don't fall for it. but new suckers are born every min.