Colruyt’s share thundered sharply today because the supermarket chain sends out a profit alarm. The cause is the murderous competition. Pierre-Alexandre Billiet, professor at the Solvay Brussels School and CEO of Kennis Platform Gondola, analyzes the battlefield in the Belgian supermarket and explains why even market leaders such as Colruyt get stuffy. “Colruyt must be careful that it is not the GB or Nopri of his time.”

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