Retailers start to feverishly launch and promote their spring lines after the weather in March gave them a very small window to work with. Though retail sales came in decidedly sluggish last month, on-trend firms such as Zumiez (ZUMZ -0.6%) and Limited Brands (LTD +0.8%) bucked the trend neatly. Watch Abercrombie & Fitch (ANF -2.1%), Francesca's Holdings (FRAN +1%), and Urban Outfitters (URBN -0.6%) in April tips Janney Capital Markets.