Thomas Peterffy, originally from Austria, apparently was in on the beginning of High Speed Trading. He now says it is doing more harm than good, and would like to see some regulation.
Here is a comment on him from NPR, and it is an introduction to a forthcoming book "Automate This", by Christopher Steiner. http://www.amazon.com/Automate-This-Algorithms-Came-World/dp/1591844924 ". . .in this fascinating, frightening book, Christopher Steiner tells the story of how algorithms took over – and shows why the 'bot revolution' is about to spill into every aspect of our lives, often silently, without our knowledge."
http://www.npr.org/blogs/money/2012/08/27/159992076/a-father-of-high-speed-trading-thinks-we-should-slow-down?utm_source=NPR&utm_medium=facebook&utm_campaign=20120827
