Designed to meet the needs of savvy and novice investors alike, Kalengo (http://www.kalengo.com) aims to empower its users by delivering a highly personalized, interactive suite of institutional-quality portfolio management tools over the Internet. Easy to use and easy to understand, Kalengo succeeds in delivering modern finance theory and the concept of diversification, optimization, risk-adjusted return combined with social investing.
Kalengo will offer you detail explanation about each tool from time to time. You may check the education of Kalengo to gain deeper understanding about investment: http://www.kalengo.com/education/tutorial/tutorial_overview.html
Or contact selina.xue @ kalengo.com