After spending most of April 15 above the 580-point mark the VN-Index lost ground late and closed at 579.86 points.
The VN-Index was the only one to finish in positive territory on April 15, by 0.37 points (0.06 per cent), while the VN30-Index finished down 1.74 points (0.3 per cent) on HSX and the HNX-Index fell 0.02 points (0.02 per cent) and the HNX30-Index 0.04 points (0.03 per cent) on HNX.
HSX saw 103 shares increasing and 129 decreasing, while 138 increased and 140 decreased on HNX.
The VN-Index followed a similar path to that seen for most of the week, exceeding the 580-point mark before sliding back under by the close of the day. It hovered around 582 points during all of the morning session and hit 586.28 points early in the afternoon session before steadily heading downwards and finishing at 579.86.
Sub-indexes also finished down, with the VNMID falling 0.04 per cent and the VNSML 0.26 per cent.
Among large caps, VNM and VIC fluctuated the most, with VNM closing up 1.7 per cent in the morning session and 0.7 per cent by the end of the day. VIC rose 1.9 per cent in the morning but finished down 1 per cent for the day after losing 2.9 per cent in afternoon trade.
VNM saw trading value of some VND90 billion ($4.03 million) - the highest in the market - and VIC some VND83 billion ($3.72 million); the third-highest on HSX.
Other large caps increasing today included GAS, by 0.9 per cent, CTG and BID 0.6 per cent and VCB 0.5 per cent.
Falling large caps included MBB, by 1.4 per cent, STB 1 per cent, FPT 0.6 per cent and HPG 0.3 per cent.
On HNX, ACB increased for the first time in four days, by 0.6 per cent. Among other banking large caps, only SHB rose, by 1.6 per cent. Large caps on the decline included VCG, by 1.8 per cent, PLC 1.3 per cent, PVI 0.8 per cent and VCS 0.6 per cent.
Foreign investors net bought on both markets, by VND74 billion ($3.31 million) on HSX and VND41 billion ($1.83 million) on HNX.