ANP rejects appeal of PetroRio to buy Polvo 40% of Maersk ANP rejects appeal of PetroRio, former HRT, to buy slice of Maersk in Polvo field http://www.reuters.com/article/2015/01/26/negocios-energia-petrorio-maersk-idBRKBN0KZ2D920150126 hrtp3 - graphical analysis http://www.guiainvest.com.br/dados/imagesUsuario/58209/Img20359_1024_26012015183345.png