s a more attractive buy than both Costco and Walmart. Here s an underrated growth stock that may have room to rise a whole lot higher in both the short and long term. Today Instead, there may be an even better opportunity in the retail space:TJX Companies(TJX-0. The stock hasn't been doing well this year, but with a more modest valuation, it's a more attractive buy than both Costco and Walmart. Maxx and Marshalls, which are popular off-price retail stores that are synonymous with value.