Gafisa is trading at BRL 0.38, down 5.00%, amid broader pressure from rising oil prices and Treasury yields ahead of the Federal Reserve minutes; no verified Gafisa-specific announcement explaining the October 7 decline surfaced in the search. - Reuters reported Brent had moved back above $100 a barrel. - Gafisa’s sharp move follows recent gains. - The Ibovespa was reported down 0.52%.