CAMP HILL, Pa.--(BUSINESS WIRE)--Rite Aid Corporation (NYSE: RAD) today announced sales results for January. Monthly SalesFor the four weeks ended Jan. 24, 2015, same store sales increased 4.8 percent over the prior-year period. January front-end same store sales increased 2.9 percent. Pharmacy same store sales, which included an approximate 114 basis points negative impact from new generic introductions, increased 5.7 percent. Prescription count at comparable stores increased 3.5 percent over