Doha: The Qatar Stock Exchange (QSE) Index closed Wednesday's trading session down by 63.45 points, or 0.60 percent, to reach 10566.43 points.During the session, 169,172,220 shares were traded, with a total value of QAR 367,861,718.402, resulting from 13160 transactions in all sectors.The shares of 3 companies rose and the shares of 47 other companies decreased.The market capitalization at the end of the trading session was QAR 617,619,803,980.890, compared to QAR 620,854,230,878.790 in the previous session.Source: Qatar News Agency