Doha: The Qatar Stock Exchange index closed its trading session Sunday, down by 62.30 points, or 0.60 percent, to reach 10,261.02 points.During the session, 89,517,042 shares were traded, with a value of QR 194,618, 930.607, as a result of executing 7,139 deals in all sectors.Shares of 11 companies rose during the session, while shares of 36 other companies decreased, and two companies maintained their previous closing prices.Market capitalization at the end of the trading session amounted to QR 592,978,583,766.890 compared to QR 597,174,512,496.300 in the previous session.Source: Qatar News Agency