The general index of the Qatar Stock Exchange ended trading higher, gaining 56.66 points, or 0.42%, to reach 13,650.32 points. The volume of trading during today's session amounted to 135,281,319 shares, with a value of QAR 504,035,963.570, through 15,233 deals in all sectors. The shares of 29 companies advanced, while the prices of 13 other companies declined, and two companies maintained their previous closing price.