FILE PHOTO: A Costco shopping cart is shown at a Costco Wholesale store in Carlsbad, California September 11, 2013. REUTERS/Mike Blake/File Photo GLOBAL BUSINESS WEEK AHEAD PACKAGE – SEARCH ‘BUSINESS WEEK AHEAD MAY 23’ FOR ALL IMAGES/File Photo
FILE PHOTO: A Costco shopping cart is shown at a
FILE PHOTO: A Costco shopping cart is shown at a Costco Wholesale store in Carlsbad, California