Oi S.A.: Notice to the Market - Fitch rating

RIO DE JANEIRO, Aug. 16, 2013 /PRNewswire/ -- Oi S.A. (BOVESPA: OIBR3, OIBR4; NYSE: OIBR.C, OIBR) (the "Company") discloses to its shareholders and the market in general that Fitch announced today its review of the credit rating attributed to the Company, downgrading the long-term...

Source : http://www.prnewswire.com/news-releases/oi-sa-noti...