With Profits Dropping, High-Speed Trading Cools Down

``The challenges facing speed-focused firms are many, the biggest being the drop in trading volume on stock markets around the world in each of the last four years. This has made it harder to make profits for traders who quickly buy and sell shares offered by slower investors. In addition, traditional investors like mutual funds have adopted the high-speed industry's automated strategies and moved some of their business away from the exchanges that are popular with high-speed traders. Meanwhile, the technological costs of shaving further milliseconds off trade times has become a bigger drain on many companies.''