A customer of mine considers the trading bots to be ultimately in control of the market able to manipulate the market up or down, even to zero. Any insight I could pass on ?
Yes, indeed
Money & Speed: Inside the Black Box is a true thriller that takes us to the heart of our automated financial world. On the basis of interviews with people directly involved and data visualizations to the millisecond, a reconstruction of the fastest and deepest drop in U.S. stock markets ever.
http://www.youtube.com/watch?v=H4BzsevJthw