Mumbai, Nov 15 (UNI) The Rupee on Friday strengthened by 18 paise to 71.78 in opening trade on brisk selling of US Dollars by bankers and exporters, dealers at the Forex Market said.
The domestic unit registered intra-day high and low at 71.87 and 71.71 respectively.
Weak dollar against other world currencies kept the local unit up, they added.
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