BRIEF-Brazil's Vale plans to produce 340 mln tonnes of iron ore in 2016
April 28 (Reuters) -
* Brazilian miner Vale said on Thursday that production of 340 million tonnes of iron ore is the best option in terms of maintaining margins at current prices for this year
* Vale said it does not want to take up its option to buy a stake in Fortescue in the short, or perhaps even medium, term Main results story: Further company coverage: (Reporting By Stephen Eisenhammer)
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