The Pakistani rupee maintained positive momentum against the US dollar, appreciating 0.06% during the opening hours of trading in the inter-bank market on Friday. At 10am, the currency was hovering at 281.10, a gain of Re0.17 against the greenback. On Thursday, the local unit closed at 281.27. Globally, the yen edged lower on Friday, trimming its sharpest weekly gain in more than four mon