"We do think the Volcker rule address a core concern we had with proprietary trading by banking entities, " says Barr.

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"At the end of the day, the core concern some have with the 'associated forces' idea is that they don't know where it stops, " said Prof.

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However, the dual threats of Microsoft and Intel in its core businesses is a concern.

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China inflation is still a concern, with core inflation up to a little more than 5% in March.

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Improving credit trends are a welcome sign to HOG investors, but we also see some considerable reason for concern, primarily in their core business of selling motorcycles.

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"The core issue here is the international community concern of the very strong indications that Iran is developing technology that could be used for military purposes, " said Michael Mann, spokesman for EU foreign policy chief Catherine Ashton, the formal convener of the talks.

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Like Obama, the neoconservatives are not motivated to act by concern for the US's core regional interests.

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The concern was over a foreign entity acquiring control of core Australian financial infrastructure.

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France is considered a rock solid, core member of the euro zone, and its troubles are of great concern.

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The Fed, which favors monitoring core inflation, which excludes food and energy prices, tried to show that consumer price inflation is an active concern.

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