The Qatar Stock Exchange (QSE) Index closed Tuesday's trading session down by 34.24 points, or 0.33 percent, to reach 10,188.57 points.During the session, 179,094,301 shares were traded, with a total value of QR 382,733,549.853, resulting from 15,814 transactions across all sectors.The session saw the shares of 26 companies rise, 21 other companies fall, while two companies maintained their previous closing prices.The market capitalization at the end of the trading session was QR 590,867,129,000.930, compared to QR 592,342,028,324.610 in the previous sessionSource: Qatar News Agency