The portfolio strategy is further developed by allocating within asset classes to various sectors. Since these sectors exhibit different risk and return characteristics, when prudently combined, they tend to reduce overall risk while improving returns in the long run. Examples within the equity asset class includes the following stocks: value, growth, middle capitalization, small capitalization, international and emerging markets. Within fixed income, there are bonds: treasury, inflation protection, mortgage pools, corporate, international, high-yield and municipal.