--%>

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 : Explain realization of name valuation

    I suppose that a valuation consciously realized in my name tells me how much I have to offer for the company, am I right?

  • Q : Determine weighting of shares done and

    When computing the WACC, is the weighting of the shares done and the debt with book values of debt and shareholder’s equity or along with market values?

  • Q : How could prestigious investment bank

    I have a doubt about the Enron case. How could this prestigious investment bank advice investing while the quotations of the shares were falling?

  • Q : Bond price problem ABC Corp is issuing

    ABC Corp is issuing a 10-year bond with a coupon rate of 7 %. The interest rate for similar bonds is at present 9 %. Supposing annual payments, what is the current value of the bond? (Round to the closest dollar.) (a) $872 (b) $1,066 (c) $990 (d) $945.

    Q : Define the term Stock Market crash

    Stock Market Crash was responsible for the Great Depression. Middle class families lost all their savings as they had gambled the market on margin.Those banks which were under the loan ofbrokers’ started removing money out of the savings account

  • Q : Benefits of working capital requirement

    Benefits of working capital requirement estimation: • Helps to judge the efficiency of utilization of working capital in generation of sales • Cost of capital aspect

  • Q : Explain any indisputable model for

    Is there any indisputable model for valuing the brand of a company?

  • Q : Convertible Bonds-Corporate Bonds State

    State the term Convertible Bonds in Corporate Bonds?

  • Q : Standard deviation of portfolios returns

    Assume that you have $50,000 which you want to invest in two companies, XYZ Books and ABC Audio. XYZ has a return of 10% and standard deviation 15%, while ABC has return of 15% with a standard deviation of 20%. The correlation coefficient between them is .5. Your port

  • Q : Explain deducing yield curve model

    Explain deducing yield curve model of HJM.