A big pharmaceutical? company, DRIg, has just announced a potential cure for cancer. The stock price increased from $4 to $94 in one day. A friend calls to tell you that he owns DRIg. You proudly reply that you? do, too. Since you have been friends for some? time, you know that he holds the? market, as do? you, and so you both are invested in this stock. Both of you care only about expected return and volatility. The? risk-free rate is 4%?, quoted as an APR based on a? 365-day year. DRIg made up 1.91% of the market portfolio before the news announcement.
a. On the announcement your overall wealth went up by 1.5% (assume all other price changes cancelled out so that without? DRIg, the market return would have been?zero). How is your wealth? invested? ?(Round all intermediate values to five decimal places as? needed.)
The percentage of your wealth invested in the market is ____% ? (Round to two decimal? places.)
b. Your? friend's wealth went up by 2.1%. How is his wealth? invested?
The percentage of his wealth invested in the market is _____% ? (Round to two decimal? places.)