Karachi - Dollar took further strength in money market on Wednesday as it was traded at the highest rate of Rs 102.70 in open market. According to the details provided by the Forex Association of Pakistan, dollar traded at the lowest rate of Rs 101.92 and highest of Rs 101.97 in inter bank market while it was traded at minimum rate of Rs 102.50 and maximum rate of Rs 102.70 in cash free market.