Discount chain Dollar Tree has reported its results for the second quarter ended July 30. Consolidated net sales increased 11.9% to $1.54bn (£935m) compared with the previous year, while like-for-like sales increased 4.7%. Based on estimated comparable sales growth, Dollar Tree anticipated third quarter sales to range between $1.56bn (£947m) and $1.6bn (£972m). Dollar Tree opened 76 stores, closed 11 stores and expanded or relocated 23 others during the period. The retail footprint increased to 36.6 million sq ft.