Target’s low-cost inventory has long appealed to customers in a tight economic times. To capitalize on increased traffic during the downturn, Target started to stock produce and food products, competing with some grocery stores.And to rev up a slowing U.S. growth rate, CEO Gregg Steinhafel is thinking small. This past year, Target announced plans to enter new urban markets with smaller stores in Seattle, Boston and San Francisco. Target also released plans recently to expand northward, by taking over 220 stores previously owned by Canadian chain Zellars. —S.D.