America’s new favorite grocery store is a familiar name: Amazon. The online retail giant jumped two places to take the top slot in the fourth-annual Dunnhumby Retailer Preference Index for grocery. The consumer data science firm compiled its rankings based on a survey of 10,000 households. It's not the usual blah, blah, blah. Click here to sign up for our free newsletter. Categories used to rank…

Source: moneytalksnews.com