Dollar stores have always been popular among consumers looking for serious discounts on products. But did you know this type of store has also become the fastest-growing food retailer in the contiguous United States (all states besides Alaska and Hawaii)? And this category of stores has collectively doubled its store presence in the rural U.S. in the last 10 years.

Among this subindustry of retail, Dollar Tree (NASDAQ: DLTR) is a major player, alongside Dollar General. But can the former stock continue to enrich growth investors? Let's dive into Dollar Tree's fundamentals and valuation to decide.

Operating over 16,400 Dollar Tree and Family Dollar stores throughout Canada and the U.S., Dollar Tree's $30 billion market capitalization is second only to Dollar General's $45 billion market cap. Like its larger peer, the Virginia-based retailer achieved this stratospheric level of success by offering well-known and trusted name brands at very affordable price points. 

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Source Fool.com