We expect the growth in its hardware business to be relatively sluggish initially as it phases out the low margin products while pushing its new high margin products to customers.

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During the previous year, Mazda's operating profits topped 162bn yen, pushing its operating margin towards 6%.

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Even if Dell succeeds in pushing into new high-margin businesses, it may disappoint its growth-minded shareholders.

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There was talk that Bridgestone , its Tokyo-based owner, would pull the plug on Firestone, since the parent company was pushing its higher-end, higher-margin Bridgestone-brand business before the tragedies.

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