The general index of the Qatar Stock Exchange ended trading lower today, losing 165.88 points, or 1.19%, to reach 13,801.16 points. During today's session, 203,434,607 shares were traded, with a value of QAR 774,420,360, through 18494 deals in all sectors. The shares of 6 companies rose, while the prices of 36 other companies declined, while 3 companies maintained their previous closing price.