There are three different indices containing the four stocks (A, B, C and D) PWI: Price weighted index VWI: Value weighted index EWI: Equally weighted index Stock Price at time 0 (PO) Number of Shares Market Value A $25 4.000 Million $100 B B $50 800 Million $40 B $80 750 Million $60 B D $100 150 Million $15 B If stock A increases by 10%, B by 50%, while prices of C and D remains unchanged. EWI will increase by O 20% O 15% O 10% O 17.5%