问题
单项选择题
An index was recently begun with the following two stocks:Company A -50 shares valued at $ 2 each.Company B - 10 shares valued at $10 each. Given that the value-weighted index was originally set at 100 and Company A’s stock is currently selling for $ 4 per share while Company B’s stock is still at $10 per share, what is the current value of the price-weighted index and the value-weighted index Price -weighted Value -weighted（）①A. 7300 ②B. 8150 ③C. 7150
A. ①
B. ②
C. ③
答案
参考答案：C
解析：
Price weight =(4+10)/2=7 Value weight = (4×50+10×10)/(2×50+10×10)×100=150
