The general index of the Qatar Stock Exchange ended trading lower today, losing 29.70 points, or 0.23%, to reach 13,002.99 points. During today's session, 228,273,637 shares were traded, with a value of QAR 592,524,164.096, through 16,156 deals in all sectors. The shares of 24 companies rose, while the prices of 17 other companies declined. 4 companes maintained their previous closing price.