E-commerce sales in the first 56 days of the November-December holiday shopping period rose 13% to $30.8 billion, with online sales for the week ended Dec. 26 up 17% to $2.45 billion, according to the comScore ratings agency. The two strongest days were Thanksgiving (Nov. 25), with sales up 28% year-over-year to $318 million; and "Free Shipping Day" (Dec. 17), with sales up 61% to $586 million.
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