Oil prices fell for the first time in four days on Tuesday, taking a breather, analysts said, after weeks of gains fuelled by a rebound in global demand that is contributing to energy shortages in economies from Europe to Asia. Brent crude was down 26 cents, or 0.3%, at $83.39 a barrel at 0211 GMT, after touching three-year highs on Monday on the way to a 1.5% advance.from Commodities-Markets-Economic Times
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