gross dmomestic grew. dow sunk 153 today. nasdaq 75 off. why? many analysts believe the signs of improving economy spooked the market fearful the tral reserve will pull back programs suring up the economy. twitter had a good first day. shares opening 45.10 dlarlgs after pricing $26 a share. tonight correspondent peter deuce looks at one more number. how much will consumers spend in the holiday season? only 48 shopping days left until christmas. holiday shoppers are set to spend $737.95 each on gifts and decorations this season. sounds like a lot. it s 2% less than last year and part of the reason morgan stanley is forecasting this will be the weakest holiday season