Key Takeaways Costco's net sales during the five-week December period improved 10% year-over-year.Holiday period sales beat ...

Costco Wholesale Corporation (COST), a Washington-based international chain of membership warehouses, Wednesday, reported net sales ...

Costco Wholesale Corp. on Wednesday reported November sales growth that slowed from the prior month, as lower gas prices weighed on consumers and e-commerce sales took a hit due to a shift in the ...

Costco ran pre-Black Friday sales in early November, trying to dodge a hit to sales in the first quarter ended Nov. 24 this year, from the late Thanksgiving weekend, which extended into December.

Related: Costco reveals sales jump in first month after raising fees, boosted by one crucial week The company's gross margin was 11.28%, up from 11.04% in the prior year's quarter. "[Costco's ...