Index up nearly 9 points to close at ???.
All indexes finished higher on May 17, with the VN-Index reaching its highest point in ten months after increasing 8.97 points (1.46 per cent) to 624.75 points.
The VN30-Index closed 5.20 points (0.85 per cent) higher on HSX while on HNX the HNX-Index was up 0.46 points (0.57 per cent) and the HNX30-Index 1.65 points (1.12 per cent).
HSX saw 153 shares increase and 74 decrease and HNX saw 170 increase and 108 decrease.
The UpCoM index rose 0.23 points (0.4 per cent), with 78 shares increasing and 51 decreasing.
Large caps in the VN-Index to hit their ceiling included GAS, BVH, and PVD. VIC was the only large cap to close down, while VCB and MSN closed at their opening price.
GAS rose 6.3 per cent to VND69,000 ($3.09); its highest since the third quarter of last year. Foreign investors net bought significantly, by VND48 billion ($2.15 million), accounting for about 70 per cent of trade in the share.
PVD rose 6.7 per cent and foreign investors were also high net buyers, by some VND34 billion ($1.52 million), or about 50 per cent of trade.
Among banking shares only VCB, MBB and EIB closed at their opening price, while STB increased 5 per cent, CTG 2.9 per cent and BID 2.2 per cent.
Other large caps to increase included BVH, by 6.8 per cent, HPG 1.2 per cent and FPT 0.6 per cent.
On HNX, oil and gas shares carried the market, with PLC up 5.8 per cent, PVS 3.3 per cent and PVI 2 per cent. ACB, SQC, PHP, and SHB closed at the opening price while VCS was down 0.5 per cent.
Foreign investors net bought on both markets, by VND147 billion ($6.59 million) on HSX and by VND34 billion ($1.52 million) on HNX.