Case C-206/16: Judgment of the Court (Third Chamber) of 20 July 2017 (request for a preliminary ruling from the Consiglio di Stato — Italy) — Marco Tronchetti Provera SpA and Others v Commissione Nazionale per le Società e la Borsa (Consob) (Reference for a preliminary ruling — Company law — Directive 2004/25/EC — Takeover bids — Second subparagraph of Article 5(4) — Possibility of changing the price of the offer in specific circumstances and according to clearly determined circumstances and criteria — National law providing an option for the supervisory authority to increase the price of a takeover bid in the event of collusion between the offeror or the persons acting in concert with it and one or more sellers)