One of the reasons I love the stock market (though sometimes it’s more of a love-hate relationship) is that it’s such a battle of the mind. Of course, few pundits or analysts will tell you that–to them, it’s all about number crunching, research, valuation and industry analysis. And all of those are important. But when you get down to it, with money on the line, buying and selling stocks becomes emotional. We’ve all experienced the range of emotions–not just fear and greed, but euphoria when your stock gaps up on earnings, depression when it gaps down, etc. Moreover, there’s...