The general index of the Qatar Stock Exchange ended trading lower today, losing 207.50 points, or 1.5%, to reach 13,593.66 points. The volume of trading during today's session amounted to 167,385,200 shares, with a value of QAR 607,301,23.754, through 18,311 deals in all sectors. The shares of 9 companies rose in the session, while the prices of 36 other companies decreased, while one company maintained its previous closing price. The market capitalization, at the end of the trading session, amounted to QAR 758,336,673,680.420.