Case C-330/23, Aldi Süd: Judgment of the Court (Eighth Chamber) of 26 September 2024 (request for a preliminary ruling from the Landgericht Düsseldorf – Germany) – Verbraucherzentrale Baden-Württemberg e.V. v Aldi Süd Dienstleistungs-SE & Co. OHG (Reference for a preliminary ruling – Consumer protection – Indication of the prices of products – Directive 98/6/EC – Article 6a – Price reduction announcements – Conditions – Concept of prior price – Obligation to determine the announced price reduction on the basis of the prior price)