46As regards the question whether the limitation of the ne bis in idem principle resulting from national legislation, such as that at issue in the main proceedings, meets an objective of general interest, it is apparent from the case file before the Court that that legislation seeks to protect the integrity of the financial markets of the European Union and public confidence in financial instruments. In the light of the importance that is givenin the Court’s case-law, for the purposes of achieving that objective, to combating infringements of the prohibition on market manipulation (see, to that effect, judgment of 23 December 2009, Spector Photo Group and Van Raemdonck, C‑45/08, EU:C:2009:806, paragraphs 37 and 42), a duplication of criminal proceedings and penalties may be justified where those proceedings and penalties pursue, for the purpose of achieving such an objective, complementary aims relating, as the case may be, to different aspects of the same unlawful conduct at issue, which it is for the referring court to determine.
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