The perils of this type of trading? >> think about it this way. if you have a car that can do 200 miles an hour, should you drive it 200 miles an hour? no. this is like a freeway with no speed limits and some people have ferraris and some people have camrys. >> just to be clear, the average investor, the person watching me now cannot get that ferrari. this is not something you can compete with. if you're the most active day trader going, this high frequency trading can trigger a flash crash. that you can have nothing to do with. >> these are systems that are very closely guarded by the big com...