Case C-226/20 P: Judgment of the Court (Fourth Chamber) of 24 February 2022 — Eurofer, European Steel Association, AISBL v European Commission, HBIS Group Serbia Iron & Steel LLC Belgrade (Appeal — Dumping — Imports of hot-rolled flat products of iron, non-alloy or other alloy steel originating in Brazil, Iran, Russia, Serbia and Ukraine — Termination of the proceedings against imports originating in Serbia — Determination of injury — Cumulative assessment of the effects of imports from more than one third country — Regulation (EU) 2016/1036 — Article 3(4) — Termination of the proceedings without measures — Article 9(2) — ‘Negligible’ imports — De minimis threshold — European Commission’s discretion)