You decide that only weak-form efficiency holds. Which of the following is true? You should be able to profit from technical analysis You believe that it makes sense to analyze a company's financial statements and business model You must resort to insider trading O You should only buy index funds Most investment professionals believe that markets are strong-form efficient. True False The efficient frontier Contains portfolios with the most return for a given levels of risk Represents the combination of portfolios with correlation coefficients of 1 Represents all investable portfolios O Represents the subset of dominated portfolios Company Z reported that it found a cure for the common cold and the stock rose 10%. On the same day the market rose 5%. The movement in Company Z's stock: Means that company Z will always do better than the market O Represents only systematic risk if Company Z is part of a larger portfolio Means Company Z has a beta of 2 Represents systematic and unsystematic risk