Holding company IPG posted a 3.5% organic revenue decline in Q2 but delivered record margin performance and reiterated its full-year forecast as it deepens transformation efforts ahead of its merger with Omnicom.Holding company IPG posted a 3.5% organic revenue decline in Q2 but delivered record margin performance and reiterated its full-year forecast as it deepens transformation efforts ahead of its merger with Omnicom. Read More