To manage asset of an individual, a financial institution or a business house, it is important to take certain decisions on asset management. One may decide to invest in bank deposits or in Government bonds or in company deposits where interest rates are fixed and secured, but not satisfactory. However, the long standing proverb "no risk no gain" may be well-thought-out in yielding some risk for more gains. Investments in stocks inherit a lot of risks. Any sensible investment analysis requires minimizing risk while maximizing profit. To face the challenge, we have developed a number of models...