OREANDA-NEWS. December 19, 2011. BM&FBOVESPA announces the second preview for the Ibovespa theoretical portfolio, which will be valid for the period of January to April, 2012. The Exchange also announces the previews of the other indexes.

BM&FBOVESPA regularly announces the previews of the new indexes thus: the first preview during the first trading session of the final month of the standing portfolio, the second preview in the session following the15th of the final month of the standing portfolio and the third preview during the last trading session of the standing portfolio.