$Novo Nordisk AS(NVO.US) When a stock is rising, you must be able to hold on tight. Never forget why you bought it. An excellent company is not as fragile as you might think. Times change, environments change, but some demands remain constant forever. Maybe years from now, losing weight won't require injections or oral medication. To take it to the extreme, perhaps cancer cells can be conquered. That certainly won't be because some individual discovered the method; it will definitely be some enterprise or company. So now we circle back: which companies in the world are more likely to develop it?