Shutterstock/Olesia BilkeiConsumers are preoccupied with value when it comes to spending on apparel, jewelry, and accessories. As a result, luxury brands like Tiffany & Co. have been struggling. "We've seen such a slow down in the high end," Brian Yarbrough, analyst at Edward Jones told Business Insider. While lower-end stores, like Ross and TJ Maxx are performing well, Tiffany's comparable sales declined 9% in the most recent quarter.