Judgment of the Court (Grand Chamber) of 20 September 2022.#Criminal proceedings against VD bd] Criminal proceedings against VD and SR.#References for a preliminary ruling – Single market for financial services – Market abuse – Insider dealing – Directive 2003/6/EC – Article 12(2)(a) and (d) – Regulation (EU) No 596/2014 – Article 23(2)(g) and (h) – Supervisory and investigatory powers of the Autorité des marchés financiers (AMF) – General interest objective seeking to protect the integrity of financial markets in the European Union and public confidence in financial instruments – Option open to the AMF to require the traffic data records held by an operator providing electronic communications services – Processing of personal data in the electronic communications sector – Directive 2002/58/EC – Article 15(1) – Charter of Fundamental Rights of the European Union – Articles 7, 8 and 11 and Article 52(1) – Confidentiality of the communications – Restrictions – Legislation providing for the general and indiscriminate retention of traffic data by operators providing electronic communications services – Option for a national court to restrict the temporal effects of a declaration of invalidity in respect of provisions of national law that are incompatible with EU law – Precluded.#Joined Cases C-339/20 and C-397/20.