And if you were a hedger in the market, you could easily become a broker or a speculator.

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John Hedger, chair of BHFT, said assessment of veterans with mental health issues had in the past been "uneven".

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Setzer said the market talk about the harm to hedging may be a bit overwrought, but he pointed out that defining hedger itself can be tricky.

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Hedging strategies Enron's supposed core competence that work well in rising markets can break down when prices fall, especially when the hedger has a net long position, as Enron apparently did.

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