Problem:
You construct a price-weighted index of 78 stocks. At the beginning of the day the index is 9,364.36. During the day, 77 stock prices remain the same, and one stock price increases $4.30. At the end of the day, your index value is 9,417.95.
Problem:
Question 1: What is the divisor on your index? Please provide all calculation and methods to solve it.