The general index of the Qatar Stock Exchange ended trading lower today, losing 13.67 points, or 0.10%, to reach 13,613.32 points. During today's session, 162,019,714 shares were traded, with a value of QAR 625,289,852.653, through 23944 deals in all sectors. The shares of 17 companies rose, while the prices of 25 other companies declined. 3 companies maintained their previous closing price.