Judgment of the General Court (Eighth Chamber) of 5 October 2020 (Extracts).#HeidelbergCement AG and Schwenk Zement KG v European Commission.#Competition – Concentrations – Market for grey cement in Croatia – Decision declaring the concentration incompatible with the internal market and the EEA Agreement – Undertakings concerned – Relevant market – Substantial part of the internal market – Assessment of the effects of the transaction on competition – Commitments – Rights of the defence – Partial referral to the national authorities.#Case T-380/17.