KARACHI - The stocks rose on Tuesday after the Karachi Stock Exchange approved the reintroduction of margin trading and investors bought shares in the fertiliser sector after healthy profit reports. The KSEs benchmark 100-share index gained 89.14 points to close at 10,386.82 points on turnover of 71.97 million shares. The approval of margin trading concept paper by the KSE and strong corporate earnings were the main reasons for the market to close higher. Fauji Bin Qasim (FFBL), the volume leader, announced an after-tax profit of 1.72 billion rupees in the first six months ending June 30, compared with 498 million rupees in the same period last year. FFBL rose 2.91 percent to end at 30.42 rupees. Trading activity was maximal as compared to the last trading session as the ready market volume stood at 71.973 million as compared to last trading sessions 40.209 million. Future market volume however stood at 3.581million shares as compared to 2.420 million shares of last trading session. Market capitalization stood over Rs2.912 trillion. Total trades increased to 38,240 as compared to last trading sessions 35,463. 213 companies advanced, 155 declined and 23 remained unchanged. APP: The Lahore stock market on Tuesday witnessed bullish trend as the LSE-25 Index gained 24.81 points to close at 3346.49 points as compared to 3321.68 points on Monday. The total turnover however decreased to 2.979 million shares on the day as compared to 3.218 million shares on Monday showing a difference of 0.239 million shares. Of 111 active scrips traded on the day 40 companies witnessed increasing trend, 11 got reduction in their rates while rates of 60 other companies remained unchanged. Engro Corporation Limited emerged as major gainer of the day with an increase of Rs 4.21 per share to close at Rs 233.91 per share. JDW Sugar Mills Limited remained major loser of the day by decreasing Rs 2.99 in its share price to close at Rs 63. Fauji Fertilizer Bin Qasim Limited appeared as volume leader of the day with 0.646 million shares, followed by National Bank of Pakistan with 0.448 million shares and Lotte Pakistan PTA Limited with 0.282 million shares.