Costco Wholesale Corp. on Aug. 7 posted a 7.9% year-over-year increase in net sales for July.

Net sales for the four-week period ended Aug. 4 came in at $11.43 billion, compared to $10.59 billion in July 2018.

Comparable sales of the warehouse club operator grew 5.6% year over year, while e-commerce comparable sales jumped 21.3%.

Costco's U.S. division reported a 6.5% growth in comparable sales while its Canadian unit rose 4.8% in this category. Comparable sales in other international markets were up 1.3%.

For the 48 weeks ended Aug. 4, the Washington-based company's net sales grew 8% to $137.56 billion from $127.4 billion a year ago.

Costco's net sales in June were up 7.5% year over year to $14.57 billion.