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UBS Downgrades Braskem S.A. (BAK) to Neutral
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Braskem adds second ethane carrier to fleet with R$500 million vessel
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UBS Upgrades Braskem S.A. (BAK) to Buy
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UBS Upgrades Braskem SA (BRKM5:BZ) (BAK) to Buy
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Citi Upgrades Braskem SA (BRKM5:BZ) (BAK) to Buy, 'Cheap Enough'

