Karachi stock market witnessed mixed trend on another day as the benchmark 100 index lowered by 29 points. However, decrease in trade volume was recorded.The share market witnessed bullish trend at the start of the day due to decline of 50 basis points in discount rate by SBP yesterday, however, cautious behavior of the investors pushed the market in negative zone. The KSE-100 index closed at 9204, down 29 points with trade volume of 82.4 million shares.