Candy giant Mars wants to buy Kellogg's former snacking division. Mars says this deal will improve product innovation and choices for consumers. Critics say the opposite.
Read MoreLast week, Mars, the company best known for brands like Snickers, Skittles, and Wrigley’s gum, purchased AniCura, a network of 200 animal hospitals spanning seven European countries.
Read MoreBelieve it or not, there used to be a wide variety of regional candy bars stocking grocery store shelves. But over the last 50 years, the biggest companies have gobbled up the smaller ones to create a highly concentrated industry. How did Hershey's, Mars, and Nestle take over our shelves of sweets?
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