Sales of foreign exchange-linked structured products in the US reached an all-time high in May. Twenty-eight different US offerings issued during the month sold a total of $210m. A source at a distributor of structured products told SRP that he believes that investments based on a number of currencies appreciating against the US dollar are extremely viable options in the current market. "With US interest rates expected to stay as they are, it looks a good choice to be looking for something to s