KARACHI : Rupee took further strength against US dollar on Thursday, it was traded at highest price of Rs 103.70 in cash free market. According to the data provided by the Forex Association of Pakistan, the prominent foreign currency continued its downhill trend in inter bank and traded at minimum price of Rs 103.55 and maximum price of Rs 103.60 while the dollar traded at lowest price of Rs 103.50 and highest price of Rs 103.70 in cash free market.