Case C-155/14 P: Judgment of the Court (Fifth Chamber) of 16 June 2016 — Evonik Degussa GmbH, AlzChem AG, formerly AlzChem Trostberg GmbH v European Commission (Appeal — Competition — Article 81 EC — Agreements, decisions and concerted practices — Markets for calcium carbide powder, calcium carbide granulates and magnesium granulates in a substantial part of the European Economic Area — Price fixing, market sharing and exchange of information — Liability of a parent company for infringements of the competition rules committed by its subsidiaries — Decisive influence exercised by the parent company over its subsidiary — Rebuttable presumption in the case of a 100 % shareholding — Condition for the rebuttal of that presumption — Disregard of an express instruction)