Hi, Has anyone tried services from Financial Signal Processing (http://www.fisig.com ) ? I did not take them serious until I read news that person who will replace Jim Simon as co-heads of Renaissance have Natural Language processing background. (http://online.wsj.com/article/SB125503993951774475.html) This trigger me to think that FiSig.com maybe doing something Renaissance�s Medallion is doing. What do you think ? Jim