The currency had strengthened to 84.13 per dollar during the day, but dollar demand from importers weakened the currency, which had closed at 84.58 per dollar the previous day, LSEG data showed.
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Brent crude futures fell 7 cents, or 0.07%, to $99.18 a barrel, while West Texas Intermediate futures declined 35 cents, or 0.39%, to $90.17 a