Costco had a decent fiscal 2016, with comparable-store sales up 4% globally and 3% in the United States when the impact of falling gasoline prices is factored out. In addition, net income for the year was roughly the same as 2015, coming in at $2.35 billion, or $5.33 per diluted share, compared to $2.38 billion, or $5.37 per diluted share last year.