In a report published Monday, Piper Jaffray analyst Neely Tamminga reaffirmed J.C. Penney stock as "one of our two top picks for 2015."Tamminga's Outperform rating was maintained following a proprietary survey exploring women's shopping behavior and intention. According to the survey's results, J.C. Penney now ranks as the second-most preferred shopping destination for fashion, marking an improvement from its No. 4 spot the company held a year ago. Tamminga's survey also asked shoppers to name a store (or brand) from which they are starting to buy from. J.C. Penney ranked fourth highest, marking its best ranking in five years. Moreover, the survey concluded that shoppers who purchased from J.C. Penney in the past six months are "more inclined" to revisit the store for additional purchases in the next three months.