The Pakistani rupee strengthened against the US dollar, appreciating 0.09% during the opening minutes of trading in the inter-bank market on Wednesday. At 10am, the local currency was hovering at 279.82, a gain of Re0.25 against the greenback. On Tuesday, the local unit closed at 280.07. Globally, the US dollar hugged tight ranges on Wednesday ahead of a slew of US economic data that could s