HÀ NỘI — The Vietnamese markets ended the week on a positive note, thanks to the injection of cash flow during the trading session, supporting indices. The benchmark VN-Index on the Hồ Chí Minh Stock Exchange (HoSE) rose 0.29 per cent, to close the day at 1,227.36 points. During the session, investors poured over VNĐ21.7 trillion (US$894.5 million) into the southern market, equivalent to a trading volume of nearly 917.4 billion shares. Oil and gas group also recovered thanks to the buying force, such as PetroVietnam Gas JSC (GAS), PetroVietnam Technical Services Corporation (PVS), the PetroVietnam Drilling & Well Service Corporation (PVD) and Bình Sơn Refinery and Petrochemical Joint Stock Company (BSR). On the Hà Nội Stock Exchange (HNX), the HNX-Index closed the trading day at 252.76 points, up 0.36 per cent.