Introduction
Economic environment is very dynamic and full of uncertainties. According to Bhalla (2010), investors chose to find a way of diversifying their investment pattern to help spread the risks. Choosing of the best portfolio should take care of both systematic and unsystematic risks (Markowitz 2013). Majorly unsystematic risk takes higher preferences when deciding on which are to invest. Managers that are risk takers go for risky investments, to get a higher return (Bhalla 2010). Generally, there is a need to have optimum portfolio that will thrive at all times of economic problems, in the present or the future (Markowitz 2013).
Body
Since there ...