By expanding merchandise selection and investing in store remodels, supermarkets as a whole were able to improve customer satisfaction levels in the fourth quarter of 2011, despite higher food prices, the Pittsburgh Post-Gazette reported online. Customer satisfaction with supermarkets rose 1.3 percent overall in the fourth quarter of 2011 with Publix's scoring 84 to maintain its No. 1 spot, according to the American Customer Satisfaction Index. Whole Foods Market was No. 2 with a score of 80 while Walmart came in dead last at 69, lagging the supermarket field by five points or more.