You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract Health Insurance Giant Cigna Divides Account Between Omnicom and IPG Shops Company's Ad Spending Leapt in 2013 By Shareen Pathak and Alexandra Bruell, Published on June 10, 2014 0 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.