Case T-590/20: Judgment of the General Court of 18 October 2023 — Clariant and Clariant International v Commission (Competition — Agreements, decisions and concerted practices — Ethylene market — Decision finding an infringement of Article 101 TFEU — Coordination on a purchase price element — Settlement procedure — Fine — Adjustment of the basic amount of the fine — Point 37 of the Guidelines on the method of setting fines — Repeat infringement — Point 28 of the Guidelines on the method of setting fines — Unlimited jurisdiction — Counterclaim for increase of the amount of the fine)