HFT has drastically reduced the costs of trading and improved the returns of nearly all investors especially retail investors like you and me. These benefits ar

HFT has drastically reduced the costs of trading and improved the returns of nearly all investors especially retail investors like you and me. These benefits are huge. This blog post ignores them. Here is Vanguard's CEO on the topic: http://www.cnbc.com/2014/04/25/vanguard-chief-defends-high-frequency-trading-firms.html http://www.cnbc.com/2014/04/25/vanguard-chief-defends-high-f... That blog post also makes a mistake of claiming that the advantage of these sorts of fiber optic cables is to let people complete their trades faster. That is not the case. They enable people to execute their trades at better prices. The way he is looking at this issue is almost silly.