BUZZ-Braskem SA: Biggest intraday pct gain in nearly 5 months
** Brazilian petrochemical company's preferred shares up 6.7 pct at 25.68 reais
** Shares jump as much as 8.23 pct; Biggest intraday pct gain in nearly 5 months
** China's CNOOC Ltd interested in buying a minority stake in Braskem from state-run Petroleo Brasileiro SA , according to a Brazilian newspaper report
** Other potential bidders for Petrobras' minority stake in Braskem include Canada's Brookfield Asset Management Inc and Saudi Arabian Oil Co, known as Saudi Aramco, according to a Reuters report on Friday, citing sources
** Grupo Odebrecht SA, Latin America's largest engineering conglomerate, is also considering selling its majority stake in Braskem, according to sources with direct knowledge of the situation
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