... strength index is also used to indicate trendreversals. It is found by dividing one index by another. So,a rising line indicates the numerator is outperforming; afalling line indicates the denominator ... shoulders.FIGURE 13 .8 Rounding top and bottom.21914How to BuyBefore we get into investing strategies, we need tocover some trading tactics you can use in the fixedincome secondary market. (For information ... moving averageFIGURE 13.5 Moving average.FIGURE 13.6 Rising trend line.and sending interest rates higher. You begin to get excitedabout selling your bonds and then buying them backwhen interest...