The general index of the Qatar Stock Exchange ended trading lower today, losing 58.66 points, or 0.43%, to reach 13,626.99 points. During today's session, 177,302,026 shares were traded, with a value of QAR 557,423,595.981, through 16193 deals in all sectors. The shares of 19 companies rose, while the prices of 22 other companies declined, and 4 companies maintained their previous closing price.