The Qatar Stock Exchange index closed on Tuesday with a slight decline of 8.23 points, or 0.08 percent, reaching the level of 10,049 points.During the session, 141,439,783 shares were traded, with a total value of QR 383,689,854, resulting from 15,539 transactions across all sectors.Shares of 31 companies rose, while 12 companies saw their shares fall, and six companies maintained their previous closing prices.At the end of the trading session, the market capitalization was QR 578,988,348,515.370, compared to QR 579,067,549,841.730 in the previous session.Source: Qatar News Agency