In the business world, there are also trends and changes in strategy. And sometimes, they work like a pendulum: in some periods, concentrations prevail, through mergers or acquisitions; and in others, separations. The American giant Kraft Heinz is a recent example. A decade after integrating brands such as Philadelphia cheese, the famous Heinz ketchup, and Oscar Mayer sausages into a single group, the two companies are separating.