Investment guru Benjamin Graham said, "The best way to measure your investing success is not by whether you're beating the market but by whether you've put in place a financial plan and a behavioral discipline that are likely to get you where you want to go." Some investors try to "beat the market" by trading quickly on newly released public information. According to finance theory, the best explanation for why this is unlikely to generate abnormal returns is: O a. Share prices only move in response to systematic risk factors, not firm-specific factors. O b. Investment portfolios should be well-diversified O c. The market does not reward idiosyncratic risk. O d. Capital markets are mostly semi-strong form efficient. O e. Investment decisions should be weighed up slowly and carefully. The below table shows the details of a portfolio of two assets A and B. Portfolio Details Expected Standard Covariance (A, Expected Asset Beta return deviation B) Portfolio Return 0.05 0.4 1.3 0.16 0.08 0.09 0.7 1.6 B Which one of the following statements is NOT correct? O a. The correlation of asset A and B's returns is 0.571. O b. The standard deviation of the portfolio is 0.588. O c. The portfolio beta is 2.725. Od. The portfolio weight in asset A is 25%. O e. The portfolio has some diversification