Case C-628/13: Judgment of the Court (Second Chamber) of 11 March 2015 (request for a preliminary ruling from the Cour de cassation — France) — Jean-Bernard Lafonta v Autorité des marchés financiers (Reference for a preliminary ruling — Approximation of laws — Directive 2003/6/EC — Article 1, point (1) — Directive 2003/124/EC — Article 1(1) — Inside information — Concept of ‘information of a precise nature’ — Potential effect in a particular direction on the prices of financial instruments)