The retail sector has seen better days. Sears Holdings may be on its last leg, J.C. Penney's once-possible rebound is floundering, Macy's is closing stores, and The Limited is closing all of its retail stores. For investors in the retail space, still-growing retail names are becoming increasingly hard to find, but one retailer that continues to grow while others retreat: Five Below (NASDAQ: FIVE).Wall Street is more than aware of this company -- with revenues almost doubling over the last four years, how could it not be?