Consistent performance that emphasized speed and safety helped propel Amazon to the top of the fourth annual dunnhumby Retailer Preference Index, followed in the top five, respectively, by H.E. Butt Grocery, Trader Joe's, Wegman's and ALDI. This year's index, which measures shopper loyalty and financial performance using gauges that include price and digital capabilities, also featured a new "COVID Momentum Metric" that evaluated how food retailers coped with the pandemic.
Amazon named top grocer in dunnhumby retail index
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