The Pakistani rupee strengthened against the US dollar, appreciating 0.08% during the opening minutes of trading in the inter-bank market on Friday. At 9:50am, the local currency was hovering at 279.90, a gain of Re0.22 against the greenback. On Wednesday, the local unit closed at 280.12. The market was closed on Thursday on account of a bank holiday. Globally, the US dollar made a feeble