The general index of the Qatar Stock Exchange ended trading lower today, losing 99.94 points, or 0.77%, to reach 12,955.07 points. During today's session, 159,765,234 shares were traded, with a value of QAR 568,033,230.005, through 23,077 deals in all sectors. The shares of 6 companies rose, while the prices of 35 other companies declined. 3 companies maintained their previous closing price.