Conrad lets say garbage in garbage out AIM is a money managment tool where all the thinking is done first then you follow the signals.If you can't identify the trend optimizing your money managment will not help when there is a change in trend. I thought that AIM was made to function so that you would always have a position and reduce it as price goes up and add as price goes down.So as long as the stock does not go straight up (which will cash you out) or down (which might have you buying into a stock going to zero)this trading around a core position is just a really simple mathematical way to do what you want which works best when the fundamentals hold true for the stock its buying. So how can a SR figure if it's up up and away so buy more or down we go abandon ship? I always thought that if you only invested what you are willing to lose in any one stock and worked at finding good stocks.That AIM would take advantage of the price moves to increase returns and holding between 5-10 stocks would reduce the overall risk.If one stock goes Deep Diver you could just sell and replace the stock. Irwin