Costco's (COST) net sales +12% in December to $11.2B, helped by an extra day of trading that...

|About: Costco Wholesale Corporation (COST)|By:, SA News Editor

Costco's (COST) net sales +12% in December to $11.2B, helped by an extra day of trading that boosted the figure by around 2%. Same-store sales +9%, above consensus of +6.5%. Excluding fuel and forex fluctuations, comparable sales +8%. (PR)