One well-known principle of risk management in investing that we often heard is:�Don�t put all eggs in one basket�.What it means is that in order to reduce risk, we should be well diversified in our investment by holding different stocks from different kinds of industries for our portfolio.However, the question here would be, is holding different stocks from just any kind of different industries good enough to lower your investment risk or to produce satisfactory returns?Peter Navarro in his book When the Market Moves, Will You Be Ready? offered a diversification strategy in relation to sector rotation as follow:Traditional investor is taught...