Costco’s sales increased by 6% in the month of December and the first few days of January compared with December 2012.
The Issaquah, Wash.-based company reported sales of $11.53 billion during the five weeks that ended Sunday, compared with $10.87 billion during the same period last year. Comps increased by 5% at the company's U.S. stores.
For the 18 weeks that ended Sunday, sales were $38.33 billion, a 6% increase over the $36.26 billion in sales the company had the year before. Comps in the United States increased by 4%.