Doha: The Qatar Stock Exchange (QSE) index closed Tuesday's trading session with a slight decrease of 2.41 points, or 0.02 percent, settling at 10,193.89 points.During the session, 139,616,727 shares were traded, amounting to a value of QR 324,340,958.359, through the execution of 13,556 transactions across all sectors.Shares of 27 companies rose, while 22 companies saw their shares decline, and 3 companies maintained their previous closing prices.At the end of the trading session, the market capitalization stood at QR 590,073,965,963.290, compared to QR 590,761,458,752.810 in the previous session.Source: Qatar News Agency