Post-holiday markdowns helped fuel a 35% increase in traffic on Dec. 26 to e-commerce sites in Nielsen//NetRatings' holiday index, the company reported Wednesday. The single busiest day for the sites
within Nielsen//NetRatings' holiday index was Dec. 12, when sites in the index saw 30.4 million unique visitors. The most trafficked e-commerce sites that day were eBay (12.4 million uniques), Amazon
(6.1 million) and Wal-mart.com (4 million).