--%>

Additive risk in the CAPM

Suppose that the two securities APPL and MSFT account for the entire large cap technology component of the S&P 500 (hypothetically – of course – there are really plenty of others). Further, suppose that their weights in the S&P index were as follows:

1988_capm.jpg

So that, for example, AAPL makes up 3% of the index since its weight is 0.03. [These weights are hypothetical – actual weights are computed based on the current market capitalization of each company included in the index, so they change all the time]

a. What fraction of the total portfolio is this large cap technology sector?
b. What is the beta of this large cap technology sector?
c. If the S&P 500 is the market portfolio, what is its beta?
d. What is the beta of the remaining stocks in the S&P (consider these as a single sector)?

   Related Questions in Corporate Finance

  • Q : Illustrates reserves are real money or

    The part of the net income which is not distributed to shareholders goes to reserves (to shareholders’ equity). As dividends shows real money, reserves are real money as well. Is it true?

  • Q : How could we acquire an indisputable

    How could we acquire an indisputable discount rate?

  • Q : Minimum annual savings problem XYZ

    XYZ Company is interested in purchasing a new corporate jet for $6 million. This will depreciate the jet completely in 5 years and then sell it for $5 million. The jet will utilize $60,000 in fuel annually, and its maintenance will be $40,000 yearly. The tax rate of X

  • Q : Cost of capital You have joined Zurich

    You have joined Zurich Pvt. Ltd as a Finance manager. You are given the following information: Zurich Pvt Ltd. is a diversified manufacturing firm dealing with electrical appliances. In 2012, the firm reported an operating income of Rs. 857.60 million and faced a tax rate of 35% on income. The

  • Q : Which capital structure must consider

    Which capital structure must we consider when estimating the WACC for a subsidiary valuation: the one which is reasonable according to the risk of the subsidiary’s business that the average of the company or the one the subsidiary as “tolerates/per

  • Q : Data Case Please Assist with the

    Please Assist with the attached Data Case Assignment

  • Q : Problem on Stock per share value ABC

    ABC Company plans to buy back 1 million shares of its own stock from its cash reserves at $50 a share. This will raise the bankruptcy costs by $10 million, and the debt/assets ratio from 35% to 40%. The income tax rate of the company is 30%. Determine the value of the

  • Q : Problem on stock market John Wong is a

    John Wong is a fresh graduate and has a limited amount of funds for investments. He expects that the Hong Kong stock market will fall soon but he is not familiar with derivatives. In order to gain more money to buy a car, he explores engaging in Hang Seng Index (HSI)

  • Q : Problem on optimal capital structure

    XYZ Company has debt/assets ratio 50%, that is too high and it must be at 45% to be optimal. This debt reduction must also reduce the bankruptcy costs by $30 million. At present, XYZ has 5 million shares of common stock selling at $50 each. The tax rate of XYZ is 30%.

  • Q : Efficiency Ratios Efficiency Ratios :

    Efficiency Ratios: These ratios comprise Receivables Turnover, Inventory Turnover, Asset Turnover and Net Working Capital Turnover ratios. Efficiency ratios show the utilization of Assets of the company thus as to generate Revenue that is, the best ut