investor nelson peltz offered between $55 and $60 per share. that sent f-d-o share flying, up more than 20%. volume was big too. the offer led investors looking for other discount retail stocks. dollar general jumped 10%. fred's was up 7%. and dollar tree gained 3%. one more note from retailing, household item rental store aaron's shot up 17% thanks to a big pop in its fourth quarter profits. new 52-week high, nice move, big volume. after the close, graphic semiconductor maker nvidia turned in its latest financial report card. expectations were high just given the move we've seen off the low. just witness the sharp run-up in the stock since the beginning of the year. shares are up more than 50% since january first. anticipation has been building for a new processor that will go in tablets and smartphones. earnings came in well above estimates. revenues were just a tad below expectations. still, it expects top-line growth of 6% to 8% this quarter compared to the last quarter. finally, a couple of food stories. dean foods reports the milk business