Judgment of the General Court (Second Chamber) of 18 May 2022.#Wieland-Werke AG v European Commission.#Competition – Concentrations – Market for rolled products and pre-rolled strip made of copper and copper alloys – Decision declaring the concentration incompatible with the internal market and the EEA Agreement – Commitments – Relevant market – Assessment of the horizontal and vertical effects of the transaction on competition – Manifest error of assessment – Principle of good administration – Rights of the defence.#Case T-251/19.