Case C-265/17 P: Judgment of the Court (First Chamber) of 16 January 2019 — European Commission v United Parcel Service, Inc., FedEx Corp. (Appeal — Merger control — Acquisition of TNT Express by UPS — Commission Decision declaring a concentration to be incompatible with the internal market and the functioning of the EEA Agreement — Econometric model developed by the Commission — Failure to disclose amendments made to the econometric model — Infringement of the rights of the defence)