Joined Cases C-553/10 P and C-554/10 P: Judgment of the Court (Grand Chamber) of 6 November 2012 — European Commission v Éditions Odile Jacob SAS, Wendel Investissement SA, Lagardère SCA and Lagardère SCA v Éditions Odile Jacob SAS, European Commission, Wendel Investissement SA (Appeals — Merger of undertakings in the book publishing market — Annulment of the decision to approve an investment company as the purchaser of the assets sold — Significance of a trustee’s possible lack of independence)