US retailer Family Dollar Stores has booked an increase in third-quarter profits, boosted by higher sales.

In the three months ended 28 May, net profit increased 12.1% to US$124.5m. Operating profit grew 8.2% to $199.4m.

Net sales climbed 9.6% in the period to reach $2.36bn, while comparable-store sales increased 5%. The increase in sales was due to increased customer traffic and an increase in the average customer transaction value.