Over the past week, online retailers saw sales spike 17 percent over the same period last year, enough to lift the segment to nearly $31 billion for the holiday season, a record total, according to Web metrics firm comScore. Which segments fared the best? ECommerce Guide takes a look at the latest online holiday shopping totals.
     Thanks in part to a major snowstorm that kept many Americans on the East Coast homebound in the days following Christmas, Internet retailers posted another strong week of sales, vaulting this year's online holiday shopping season to a new record.

     The steady spending that continued through the holiday week has lifted online sales since the beginning of November to $30.81 billion, a 13 percent increase over the same period last year, according to new figures from online metrics firm comScore.