By Yasin Ebrahim
Investing -- Costco reported Wednesday comparable store sales grew 8.5% in September as double-digit growth in its core U.S. market more than offset weakness abroad.
Costco Wholesale Corp (NASDAQ:COST) was flat in aftermarket hours.
Net sales rose to $21.46 billion in the four weeks ended Oct. 2, an increase of 10.1% from $19.5 billion last year.
Comparable sales in the U.S. and Canada led the gains, rising 11.2% and 5.7% respectively in September, while international fell 1.9%.
E-commerce sales were up 0.7%.