são paulocompanhia de saneamento básico do estado de são paulo sas shares rose 49 after the water utility known as sabesp said state regulators will consider a proposed rate revision the shares reached 5822 reais the equivalent of 1118 and are up 38 from the end of last year though wednesdays close the benchmark ibovespa stocks index was little changed from wednesdays close in midmorning trading thursday sabesp said wednesday after the close of trading that the são paulo state public services regulator will hold a public consultation on the companys request for an extraordinary rate revision