jam-packed stores again today. the national retail chains are welcoming bargain hunters this morning. both at 5:00 a.m. and 6:00 a.m. most macy s, sears, and target stores open at 7:00 a.m. this day after christmas is critical for retailers. t.j. winick explains. my pillow pet. i m a woman with hats. i m here to get great toys and great deals. reporter: it s the day after christmas. for many, that means returning to the malls. there s going to be a loft people exchanging stuff. that s more complicated than a regular purchase, i think. reporter: traditionally, the week after christmas is for up to 10% of holiday sales. those looking for bargains can expect big discounts op home goods and degree rations. target says they ll cut by 50%. that s great time for shoppers to get out and get bargains. reporter: it was a better than expected season for retailers. sales are expected to jump nearly 4% this year. we estimate that online sales will bup is a%. we re se