Discount chain Dollar General has reported net sales of $2.9bn (£1.74bn) for its second quarter ending July 31, an 11.2% increase. Same-store sales increased 8.6%.

The company reported net income for the quarter of $93.6m (£56.1m), a jump of 237.7%.

“The results of our efforts to help customers save time and money are reflected in our 8.6% same-store sales growth in the second quarter,” said Dollar General chairman and chief executive Rick Dreiling. “Our financial results continue to reflect our customers’ positive response to the changes we are making in our stores and are evidence of our ability to grow.”