Dislikedprice movement is Random but the randomness creates some sort of order.
It is impossible to predict what one corporation will do, when they will get paid and change for home currency.
it is impossible to predict when and if a large or small spec will buy or sell.
but when you get a crowd of MILLIONS of different people doing seemingly random things then you can GAUGE A TENDENCY.
then you add to that the current macro economic environment, and the EXPECTATION of future environment, and again seemingly random individual transactions start...Ignored
it's all about grasping the probabilities