YORK, Pa.--(BUSINESS WIRE)--The Bon-Ton Stores, Inc. (NASDAQ:BONT) today reported operating results for the first quarter of fiscal 2015, the 13-week period ended May 2, 2015, and reaffirmed its earnings guidance for full-year fiscal 2015. Comparable store sales increased 0.8% as compared with the prior year period. Adjusted EBITDA was $4.1 million in the first quarter of fiscal 2015, compared with $7.1 million in the first quarter of fiscal 2014. (Adjusted EBITDA is not a measure recognized un