Costco's exclusive hours for executive members ‘very well received,' drive sales boost of 1%
1. Costco's net sales rose 8% in Q4 to $84.4 billion. 2. Expansion of exclusive hours contributed an estimated 1% increase in weekly US sales. 3. Costco opened 10 new warehouses, growing to 914 locations worldwide. 4. Membership growth reached 81 million, with a 6.3% year-over-year increase. 5. Renewal rates remain high at 92.3% in the US and Canada.