Karachi stock market witnessed mixed trend on the last business day as the benchmark 100 index remained in the positive zone all the day but closed with slight decrease. At the start of the day, KSE Index reached near 10,000 points level with an increase of 100 points. However, due to blast in Peshawar, investors remained cautious. While with the start of second session, the index fell into negative zone. At the end of the day, KSE 100-Index closed at 9,838 points with decrease of 8 points. The trade volume remained 240.19 million shares. Arif Habib Securities remained the volume leader.