"Kevin Davey's book, "Building Winning Algorithmic Trading Systems," is a complete description of developing trading systems. He begins with some personal anecdotes, including his experience and success in the World Cup Championship of Futures Trading, all of which create a background, and establish both credibility and rapport. WWE co-presidents depart company after differences with ... WWE announced today that co-presidents of the company, George Barrios and Michelle Wilson, will depart the company immediately and will no longer serve on the board of directors, leading to a sharp drop in stock value in after-hours trading. WWE stock closed the day largely steady at $62.30 (up $1.36).