Dollar General is sliding in pre-market trading as investors weigh the company's competitive position against major retail peers. While analysts maintain an average price target of $137.96 for the stock, recent commentary highlights that competitors like Walmart and Costco are capturing significant market share through aggressive e-commerce growth and strong sales performance. This pressure is compounded by a broader decline across the discount store industry, with peers such as Dollar Tree, Target, and Burlington Stores all finishing the previous regular session in the red.