.IF THERE IS one iron regulation of financing, it is that any kind of program which shows up to generate huge, reliable incomes is hiding some correspondingly huge risks. History is stuffed along with instances of such money-spinners ending up being hugely prominent, just for fans to belatedly understand that they can easily generate sudden losses and also consistent increases. Must that require lots of individuals to desert similar trades at the same time, the ripple effects can easily threaten all kind of additional resources, and even the financial unit itself. Think of the enormous bank on subprime home mortgages that preceded the international economic situation of 2007-09. The latest instance is actually the Eastern yen "lug exchange", the relaxing of which has been roiling markets given that mid-July while swiftly boosting the value of the yen. What is a lug trade, as well as exactly how can it solve therefore violently?