Canadian dollar dips as greenback notches broad-based gains

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Canadian dollar falls 0.2% against the greenback
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Extends pullback from a seven-month high
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Price of U.S. oil settles 1.6% higher
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Canada-U.S. 10-year spread widens 5.1 basis points
By Fergal Smith
TORONTO, May 28 (Reuters) - The Canad
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