investing videos By - Dylan D. DavisPosted on August 25, 2014Posted in Finance & Investing, Finance & Investment, Finance and Investing, Finance and Investment, Finance and Investments, How To Lessons, Investing, Investing and Trading, Investing Videos, Stocks and Investments, Trading and Investment, Trading Education, Trading StrategiesLays out the rationale for doing valuation as well as the issues of bias, complexity and uncertainty that bedevil it. source