karl harrington, president of barrington capital management is here to give us insight on what is goingn. simply put, hide not slide. we will get rid of a technicality. what it does is cited pending trade from regulators, and then once a trade is about to be executed it allows that hidden trade to jump to the front of the line. is that accurate? >> that is accurate. i have been on wall street for a lot of years and i can say that if the order that is -- a client that i want to execute an order for should be executed at the time that i placed the order. >> the many place the order is to place it. here is where people are getting upset. the people who are getting to take part in height not slight are high-frequency traders, huge amounts of money, big, big money. what percentage of trade volume does this represent? high-frequency trading is two-thirds of the trading that goes on. what percentage aside as light? >> i don't know of an exact percentage, and i can tell you this. because a high-volume trading firm trades more than let's say harrington capital management's client base that i rep