When a stock doubles, sell half - then what you have is a free position. Then it becomes more of an art form. When you sell depends on individual circumstances.
Peter CundillThe difference between the price we pay for a stock and its liquidation value gives us a margin of safety. This kind of investing is one of the most effective ways of achieving good long term results.
Peter CundillLong term debt and bank debt (including off-balance sheet financing must be judiciously employed. There must be room to expand the debt position if required.
Peter Cundill