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7. Portfolio expected return and risk A collection of financial assets and securities is referred to as a portfolio. Most individuals and institutions invest in a portfolio, making portfolio risk analysis an integral part of the field of finance. Just like stand-alone assets and securities, portfolios are also exposed to risk. Portfolio risk refers to the possibility that an investment portfolio will not generate the investor's expected rate of return. Analyzing portfolio risk and return involves the understanding of expected returns from a portfolio Consider the following case: Andre is an amateur investor who holds a small portfolio consisting of only four stocks. The stock holdings in his portfolio are shown in the following table: Stock Artemis Inc. Babish & Co Cornell Industries Danforth Motors Percentage of Portfolio 20% 30% 35% 15% Expected Return 6.00% 14.00% 13.00% 5.00% Standard Deviation 30.00% 34.00% 37.00% 39.00% What is the expected return on Andre's stock portfolio? 10.70% 14.45% Consider the following case: Andre is an amateur investor who holds a small portfolio consisting of only four stocks. The stock holdings in his portfolio are shown in the following table: Stock Standard Deviation 30.00% Artemis Inc. Percentage of Portfolio 20% 30% 35% 15% Babish & Co. Cornell Industries Danforth Motors Expected Return 6.00% 14.00% 13.00% 34.00% 37.00% 39.00% 5.00% What is the expected return on Andre's stock portfolio? 10.70% 14.45% 16.05% 8.03% Suppose each stock in Andre's portfolio has a correlation coefficient of 0.4 (p = 0.4) with each of the other stocks. If the weighted average of the risk of the individual securities (as measured by their standard deviations) included in the partially diversified four-stock portfolio is 35%, the portfolio's standard deviation ( ) most likely is 35% Indre is an amateur investor who holds a small portfolio consisting of only four stocks. The stock holdings in his portfolio are shown in the followin able: Stock Expected Return Standard Deviation Artemis Inc. 6.00% 30.00% Percentage of Portfolio 20% 30% 35% Babish & Co. 14.00% 34.00% Cornell Industries 13.00% 5.00% 37.00% 39.00% Danforth Motors 15% What is the expected return on Andre's stock portfolio? 10.70% 14.45% 16.05% 8.03% more than less than equal to Suppose each stock in Andre's portfol of the individual securities (as measur standard deviation () most likely is ation coefficient of 0.4 (p = 0.4) with each of the other stocks. If the weighted average of the risk Jandard deviations) included in the partially diversified four stock portfolio is 35%, the portfolio's 35%