The Court of Appeal held in Metall und Rohstoff AG v Donaldson Lufkin & Jenrette Inc ([1990] 1 QB 391 at 481, [1989] 3 All ER 14 at 58–59, CA), that there is no authority for the existence of a tort of inducing a breach of trust, but that the principles of the law of trust are quite sufficient to deal with a person