Help Save & E Which of the following is the best definition of security market line (SML)? 5 Multiple Choice A theory showing that the expected return on any risky asset is a linear combination of various factors. A risk that influences a large number of assets. Also called market risk. A risk that affects at most a small number of assets. Also called unique or asset-specific risks. Principle stating that spreading an investment across a number of assets eliminates some, but not all of the risk Positively sloped straight line displaying the relationship between expected return and beta.