Pakistan\'s benchmark stock index, the Karachi Stock Exchange 100 Index, fell 0.77 per cent at the close. The index of 100 companies traded on the Karachi Stock Exchange fell 136.77 to 17,736.08. Among the stocks in the index, 30 rose, 56 fell and 14 were unchanged. Declines in the Karachi Stock Exchange 100 Index were led by Oil & Gas Development, Pakistan Petroleum and Engro Corporation. Engro Corporation, which fell 6.04 rupees to 122.61 rupees, was the most active stock by value in Pakistan. The next most-active issues were Attock Refinery, which rose 2.49 to 200.49 rupees, and Nishat Mills, which fell 1 rupees to 77.51 rupees.   from: time of oman