Brazil Stocks Down, Real Tumbles, Petrobras Cut To Junk By: TalkMarkets February 26, 2015 at 18:31 PM EST The rating downgrade rocked the country’s equities and currency, with the benchmark iBovespa index losing 1.5% and the real tumbling 1.3%. Read More >> Related Stocks: Petrobras - Petroleo Brasileiro S.A. Valero Energy Partners LP Western Gas Eqty Partners LP