You own three? stocks: 600 shares of Apple? Computer, 10,000 shares of Cisco? Systems, and 5,000 shares of? Colgate-Palmolive. The current share prices and expected returns of? Apple, Cisco, and? Colgate-Palmolive are,? respectively, $516?, $24?, $100 and 12%?, 10%?, 8%.
a. What are the portfolio weights of the three stocks in your? portfolio?
b. What is the expected return of your? portfolio?
c. Suppose the price of Apple stock goes up by $30?, Cisco rises by $7?, and? Colgate-Palmolive falls by $16. What are the new portfolio? weights?
d. Assuming the? stocks' expected returns remain the? same, what is the expected return of the portfolio at the new? prices?