OREANDA-NEWS. BM&FBOVESPA announces the first preview for the BOVESPA Index theoretical portfolio, which will be valid for the period of May 05-August 29, 2014, based on the closing of the March 31, 2014 session. The preview registers the entrance of MMXM3 (MMX MINER ON) onto the Ibovespa portfolio, which is now made up of 72 stocks from 68 companies.

The five stocks with the heaviest weight in this index were: Itauunibanco PN (9.410%), Petrobras PN (7.288%), Bradesco PN (7.246%), Vale PNA (6.083%) and Ambev S/A ON (5.560%).

In comparison, the stocks with the heaviest weighting in the Ibovespa portfolio for January to April 2014 were: Petrobras PN (8.119%), Vale PNA (7.995%), Itauunibanco PN (6.544%), Bradesco PN (5.325%) and Petrobras ON (3.960%).

BM&FBOVESPA regularly announces three new previews for the indices. The first preview is disclosed in the first trading session of the last month of the existing portfolio, the second in the trading session that follows the 15th of the last month of the existing portfolio and the third in the last trading session or the last month of the existing portfolio. The Exchange also announces the portfolios of the other indices that it calculates. The changes are in the annexed files.