Dive Summary:

• Amazon.com Inc. is the leader among mobile department stores by a wide margin and sells more items in this manner than it does on its "desktop" site.
• According to rankings released by Hitwise Mobile, Amazon.com's mobile visits are tops in the industry; Walmart.com is a distant second, followed by Target Corp.
• Bill Tancer, general manager of global research at Experian Marketing Services, says the number one ranking for Amazon is a result of the site "becoming instrumental in purchase decision making and furthering Amazon's role in the show rooming effect within retail."

From the article:

Amazon receives 59.36% of mobile department store visits, Hitwise Mobile says. Its closest competitor, Walmart.com, receives only 8.53% of visits. Comparing m-commerce to e-commerce, Amazon receives 45.24% of desktop PC department store visits, more than 14 percentage points less than its mobile share, Hitwise Mobile says. ...