In: Finance
Jones Smith holds the following portfolio:
| 
 Stock  | 
 Investment  | 
 Beta  | 
| 
 A  | 
 $350,000  | 
 1.50  | 
| 
 B  | 
 550,000  | 
 0.80  | 
| 
 C  | 
 600,000  | 
 1.80  | 
| 
 D  | 
 875,000  | 
 1.40  | 
Jones plans to sell Stock A and replace it with Stock E, which has a beta of 0.75. By how much will the portfolio beta change?
Ans 0.1105
| WITH STOCK A | |||
| Stock | INVESTMENT (i) | Beta (ii) | Investment* Beta (i)* (ii) | 
| A | 3,50,000 | 1.50 | 5,25,000.00 | 
| B | 5,50,000 | 0.80 | 4,40,000.00 | 
| C | 6,00,000 | 1.80 | 10,80,000.00 | 
| D | 8,75,000 | 1.40 | 12,25,000.00 | 
| Total | 23,75,000 | 32,70,000.00 | |
| AVERAGE BETA = | (INVESTMENT * BETA) / TOTAL INVESMENT | ||
| 3270000 / 2375000 | |||
| 1.376842105 | |||
| WITH STOCK E | |||
| Stock | INVESTMENT (i) | Beta (ii) | Investment* Beta (i)* (ii) | 
| E | 3,50,000 | 0.75 | 2,62,500.00 | 
| B | 5,50,000 | 0.80 | 4,40,000.00 | 
| C | 6,00,000 | 1.80 | 10,80,000.00 | 
| D | 8,75,000 | 1.40 | 12,25,000.00 | 
| Total | 23,75,000 | 30,07,500.00 | |
| AVERAGE BETA = | (INVESTMENT * BETA) / TOTAL INVESMENT | ||
| 3007500 / 2375000 | |||
| 1.266315789 | |||
| CHANGE IN STOCK = | 1.3768 - 1.2663 | ||
| 0.1105 | |||