Stocks W and X had 2 for 1 white after the close on Dex 31, 2003. Caiculate the value wesghed index for Dec 31, 2003 and Dec: 31,2004 . Nso. find the percentage change an the value of the incex. Assume a base index value of too. The base year is Dec 31,2003 Stocks W and X had 2 for 1 white after the close on Dex 31, 2003. Caiculate the value wesghed index for Dec 31, 2003 and Dec: 31,2004 . Nso. find the percentage change an the value of the incex. Assume a base index value of too. The base year is Dec 31,2003