NEW ORLEANS--(BUSINESS WIRE)--Kahn Swick & Foti, LLC ("KSF") and KSF partner, the former Attorney General of Louisiana, Charles C. Foti, Jr., remind investors that they have until June 9, 2015 to file lead plaintiff applications in a securities class action lawsuit against Walgreen Co. (now trading as NasdaqGS: WBA) if they purchased the Company’s securities between the expanded period of March 25, 2014 and August 5, 2014, inclusive (the “Class Period”). This action is pending in the United