Case T-279/04: Judgment of the General Court (Sixth Chamber) of 13 September 2010 — Éditions Jacob v Commission (Competition — Concentrations — French-language publishing — Decision declaring the concentration compatible with the common market subject to sale of assets — Action for annulment brought by an unsuccessful prospective purchaser — Obligation to state reasons — Fraud — Error of law — Manifest error of assessment — Regulation (EEC) No 4064/89)