The ruling in brief:The European Commission concluded the Mars–Kellanova merger was unlikely to materially strengthen the company’s bargaining power with retailers, despite the strength of its brands. (Image: Getty/Kwangmoozaa)Retailers’ testimony revealed just how much bargaining power these brands give Mars. Rather than supporting retailers’ fears, it suggested the merger would not materially strengthen Mars’ bargaining power. The emergence of the ultimate snack portfolioKellanova's portfolio includes some of the world's best-known snack, cereal and convenience food brands. So, which Kellanova brands become the new stars?