I think sticking to raw materials is the answer The periodic chart doesn't lie. Each and every element on that has a price. If there is sand in the cogwheel t

I think sticking to raw materials is the answer The periodic chart doesn't lie. Each and every element on that has a price. If there is sand in the cogwheel that transforms raw materials into products that is surely of social nature and once you are in that realm, then all predictions and analysis capability are off. You'd be better off throwing darts in a pitch black room