[dropcap]H[/dropcap]alloween is almost upon us. Of course, on Halloween night, you may see a parade of monsters, demons, Transformers and other frightening individuals stopping by your house, exercising their right to demand candy. Fortunately, their appearance will be unlikely to cause you unpleasant dreams. But some people seem to have real fears about other things – such as what may happen in the financial markets. One way to keep those fears at bay is to avoid certain impulsive moves, ...