KARACHI: Pakistani rupee gained 39 paisas against the US dollar in the interbank on Wednesday. According to a tweet of the State Bank of Pakistan, the US dollar was opened at Rs163.87 and closed at Rs163.48. Pakistani rupee has gained Re0.36 against the US dollar during the last three days. Meanwhile, the foreign reserves of the country stand at $19.35 billion as of October 2, 2020, said State Bank of Pakistan (SBP) in another tweet. - TLTP