Doha: The Qatar Stock Exchange index closed Sunday's trading session down by 25.08 points, or 0.24 percent, to reach 10,439.07 points.During the session, 123,353,405 shares were traded, with a value of QAR 256,257,932.959, as a result of executing 9,014 deals in all sectors.The shares of 17 companies rose during the session and those of 32 other companies decreased, while 3 companies maintained their previous closing prices.The market capitalization at the end of the trading session amounted to QAR 607,052,058,666.670, compared to QAR 608,557,016,926.940 in the previous session.Source: Qatar News Agency