It has been my understanding that front running was illegal. Well it's not and it is big business. But you ha've to be special to do it. The special traders are allowed to use their super computers and super algorithms to look at orders placed, buy the same order making the price go up before the original order executes. Then the original order executes and makes the price go up again the then the supercomputer sells at the higher price for a profit. All takes place in a couple of millionths of a second. I haven't heard Hillary or Elizabeth say anything about the supposed to be level playing field in trading.