From left: Shoppers Drug Mart CEO Domenic Pilla, Executive Chairman of Loblaw Cos Ltd Galen Weston, Chair of the Board of Directors of Shoppers Drug Mart Holger Kluge, and President of Loblaw Cos Ltd Vicente Trius attend a news conference in Toronto, Ontario, yesterday. Loblaw Cos Ltd, Canada's largest food retailer, will buy Shoppers Drug for C$12.4 billion (US$11.9 billion), as it faces increasing competition from Target Corp and Wal-Mart Stores Inc.