Retail Web sites kept amping up the deals Monday, the first day after Thanksgiving weekend's strong online sales, to try to maintain the momentum.
Meanwhile, a research firm that tracks business at stores reported tepid sales and customer traffic for Friday and Saturday that confirmed a so-so start to the season for the bricks-and-mortar world.
Though the Web is only about 10 percent of the holiday shopping pie, it's seen most of the growth so far this year — an encouraging sign after last year's first online sales decline.
