Seeking Alpha: Felix Salmon reports that “Derwent Capital Markets, a family- owned hedge fund, will offer investors the chance to use Twitter Inc. posts to gauge the mood of the stockmarket, said co-owner Paul Hawtin.” (Quote from Bloomberg)Running data on the frequency of different terms and words appearing on Twitter through some magic like Granger Causality Analysis and then a Self-Organizing Fuzzy Neural Network, you get all manner of enticing predictive power out the other end. Read more…..