Walgreen to buy stake in AmerisourceBergen, Cardinal loses out

By Caroline Humer and Jessica Wohl (Reuters) – Walgreen Co and partner Alliance Boots said on Tuesday they signed a 10-year deal with AmerisourceBergen that will include daily drug distribution, enabling Walgreen to increase its sales of pricey specialty drugs. Walgreen, the nation's largest drugstore, distributes more than 80 percent of its own drugs, but over time most if not all of that distribution will be handled by AmerisourceBergen. …