People walk past a Potbelly Sandwich shop in New York, on Friday, Sept. 27, 2013. The Empire State Building, Re/Max , the Burlington Coat factory, and the sandwich chain Potbelly are among the

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People walk past a Potbelly Sandwich shop in New York, on Friday, Sept. 27, 2013. The Empire State Building, Re/Max , the Burlington Coat factory, and the sandwich chain Potbelly are among the companies going public next week. (AP Photo/Tali Arbel) less