Gallup: Last January, the Economic Confidence Index was in positive territory, including a score of +5 for the week of Jan. 19-25 -- the highest weekly average Gallup had found since 2008. However, confidence began to diminish shortly afterward, and Gallup's index has not been in positive territory since March. More recently, weekly averages have stayed consistently within a narrow range of -10 to -15 since September. The most recent weekly average of -12 falls in the middle of that six-point range...