How are the concepts of unsystematic and systematic risk reflected in what we’ve seen over the past few months in terms of stock market returns? How can we remove unsystematic risk from our investment portfolio? What can an investor do in the current investment environment to reduce or eliminate systematic risk from their portfolio? What is the relationship between interest rates and bond prices? When would this relationship not necessarily hold? When must the yield to maturity of a bond equal the current yield? What makes some bonds sell at a premium while others sell at a discount?