Doha: The Qatar Stock Exchange (QSE) general index closed at 9,618.570 points on Tuesday, 20.290 points (0.210 percent) down from its previous closing. A trading volume of 188,062,472 shares was registered in 16,451 transactions in all sectors, with a total trading value of QR 477,482,750.244. The prices of 19 companies rose and those of 29 declined, while two company maintained their previous closing price. The market capitalization closed at QR 560,314,870,711.500 compared to QR 562,288,472,090.430 in the previous session. Source: Qatar News Agency