One strategy employed by many savvy investors is that of contrarianism. That is, look at what the herd is doing, and do the opposite. The rationale behind this is that once "everyone" is following a particular trend, the amount of value to be realized in the particular area has already been priced in to the investment, so any spectacular or even very good gains have already been realized. Of course, those who buy in at the start of a trend and sell before the end …