1. A portfolio has three stocks long dash— 310 shares of Yahoo (YHOO), 340 shares of General Motors (GM), and 60 shares of Standard and Poor's Index Fund (SPY). If the price of YHOO is $20, the price of GM is $30, and the price of SPY is $150, calculate the portfolio weight of YHOO and GM.
2. A portfolio has three stocks long dash— 150 shares of Yahoo (YHOO), 250 shares of General Motors (GM), and 90 shares of Standard and Poor's Index Fund (SPY). If the price of YHOO is $20, the price of GM is $20, and the price of SPY is $130, calculate the portfolio weight of YHOO and GM.