For any business whether it's a small or a large business, one of the most important thing is the financial goal of the business. For the investment, there is a theory in many Financial Text Books like Corporate Finance that a person must fix a level of portfolio risk and must seek to maximize the return which the portfolio yields compatible with the set level of risk, or can attempt to fix a reasonable level of return and minimize the level of risk associated for achieving that rate of return. However, these ...