CowboyRobot writes "There was a time when people wanted the fastest networks so that they could trade at lightning speeds. They deployed the smartest formulas at trading venues where no one could know who was asking for that big block of stocks on the other end of the deal. It was a wild time and people made a lot of money along with some very unwise decisions. Wall Street seems to be acting out the lyrics to a Don Henley song. The party's over, the hangover is raging and no one really knows what happened the night before. The number of shares traded via high-frequency trading are down and politicians want to roll out a tax to serve as a speed bump. Iowa Senator Tom Harkin and Oregon Representative Peter DeFazio want a .03 percent tax on nearly every trade in nearly every market in the U.S. Some are wondering if microsecond dealings are poised to fade away. As the founder of HFT firm Tower Research Capital Mark Gorton puts it, 'The easy money's gone. We're doing more things better than ever before and making less money doing it.'"