Market liquidity decreased compared to the previous trading session, with the VN-Index matching volume reaching over 898 million shares, equivalent to a value of more than 20.8 trillion dong; HNX-Index reached over 92.9 million shares, equivalent to a value of more than 1.6 trillion dong.

VN-Index opened the afternoon session continuing the tug-of-war until near the end of the session when selling pressure pushed the index below the reference level. However, buyers maintained their position, helping the index close in the green. In terms of impact, VIC, VHM, VRE, and BSR were the most positive influences on the VN-Index, contributing over 4.8 points. On the other hand, GEE, HVN, HDB, and MBB were still under selling pressure, taking away 1.2 points from the overall index.

Top 10 stocks with the highest impact on the VN-Index on May 28, 2025

Similarly, the HNX-Index also had a rather optimistic performance, with the index positively impacted by PVS (+6.62%), KSF (+3.62%), IDC (+2.63%), and KSV (+0.96%)…

The energy sector was the group with the strongest gain, up 3.02%, mainly driven by PVS (+6.62%), PVD (+1.06%), PVC (+4.26%), and PVB (+4.74%). This was followed by the real estate and materials sectors, which increased by 1.49% and 0.4%, respectively. On the other hand, the industrial sector was the group with the largest decrease in the market, down 0.85%, mainly due to ACV (-1.96%), HVN (-1.49%), VJC (-0.45%), and VEF (-0.31%).

In terms of foreign trading, they continued to sell a net amount of more than 240 billion dong on the HOSE exchange, focusing on VCI (101.1 billion), VNM (82.29 billion), VCB (62.39 billion), and HAH (60.13 billion). On the HNX exchange, foreigners bought a net amount of more than 24 billion dong, focusing on IDC (37.52 billion), PVS (10.57 billion), BVS (1.7 billion), and LAS (880 million).

Foreign buying and selling dynamics

Morning session: Vingroup contributes to the green of VN-Index

The green color continued to dominate until the end of the morning session. At the midday break, the VN-Index increased by more than 6 points (+0.45%) to 1,345.86 points; HNX-Index rose by almost 1% to 223.97 points. The market breadth recorded 415 gainers, 250 losers, and 919 unchanged.

The trading volume of the VN-Index this morning reached over 425 million units, equivalent to a value of more than 10 trillion dong, down 17% compared to the same period in the previous session. Meanwhile, the HNX-Index recorded a volume of over 49 million units with a value of 905 billion dong.

Vingroup’s stocks are currently the main contributors to the index’s green color. VIC has returned to its familiar leading role, helping the VN-Index gain nearly 2 points. This was followed by VHM, VRE, and VPL, which also contributed a total of 2 points. On the other hand, GEE, FPT, and HVN were the codes that put the most downward pressure on the index, but the overall impact was not too large.

Source: VietstockFinance

Most industry groups are maintaining their upward momentum, but the differentiation is quite clear. Energy led the market with a nearly 3% gain, driven mainly by BSR (+2.55%), PVS (+5.88%), PVD (+2.12%), PVB (+5.84%), PVC (+5.32%), TMB (+1.6%), and NBC (+1.03%). The materials and real estate groups also traded positively, with increases of more than 1%.

In the financial sector, buying interest mainly focused on securities stocks such as VIX (+2.21%), SSI (+1.05%), HCM (+1.16%), FTS (+2.46%), SHS (+1.49%), and MBS (+1.11%). Meanwhile, the “king stocks” traded in a tug-of-war, fluctuating slightly around the reference level. Insurance, on the other hand, faced selling pressure and sank into the red across the board. Overall, the financial sector index rose slightly compared to the reference level.

Foreigners continued to maintain a net sell position of more than 448 billion dong on the three exchanges this morning. FPT, NVL, and SSI were the most heavily sold codes, with values ranging from 55 to 57 billion dong. On the buying side, except for MWG and DXG, which were net bought at 70 and 67 billion dong, respectively, the net bought values of the remaining codes were quite modest, below 30 billion dong.

10:30 am: Energy group shines, VN-Index still in a tug-of-war

Although the tug-of-war continued, the green color persisted, bringing a rather positive sentiment to investors. The main indexes maintained their growth momentum, indicating a recovery and the spread of money flow. The market is showing good recovery potential, led by some key industries, while the adjustment pressure is only appearing locally in a few sectors.

As of 10:30 am, the VN-Index stood at 1,343.04 points, up 0.24%. Meanwhile, the HNX-Index showed stronger performance, rising 0.65% to 223.23 points, along with stronger trading volume in the morning session, indicating active trading by investors. Notably, the HNX30 index rose significantly by 1.26% to 453.41 points, reflecting the vibrancy and money flow into large-cap stocks on the HNX exchange. The UPCOM-Index also contributed to the positive picture, rising 0.85% to 98.97 points.

The breadth of the VN30 basket showed a diverse picture. The number of gainers slightly outnumbered the losers, with 12 stocks rising, 10 falling, and 8 unchanged. Notably, the stocks with the most positive impact on the index included VIC, which rose by 1,100 dong, contributing 1.79 points, VRE rising by 1,200 dong, contributing 1.67 points, HPG increasing by 150 dong, contributing 0.77 points, and PLX up 850 dong, contributing 0.16 points to the overall index.

On the other hand, FPT had a significant negative impact, taking away 1.45 points. This was followed by HDB, which took away 0.24 points, MBB taking away 0.21 points, and SHB taking away 0.21 points. In addition, differentiation was also evident within this large-cap group.

Source: VietstockFinance

Taking a closer look at the industry groups, the market picture becomes clearer with some notable highlights. The energy sector was the brightest spot, leading the gains with a 4.27% increase, mainly driven by PVS, which rose impressively by 8.09%, and PVD, which also traded in the green with a 2.65% gain.

In the real estate group, VRE rose 4.35%, VIC increased by 1.59%, CEO gained 2.05%, and DXG climbed 2.54%, standing out among their peers.

The financial services sector also recorded a 0.85% gain, with SSI up 0.63%, HCM rising 1.16%, VCI increasing 0.27%, and SHS climbing 1.49%, indicating that money flow remained positive in this group.

On the other hand, some sectors faced adjustment pressure. The consumer and decorative goods sector fell by 1.32%, along with software decreasing by 1.09% and insurance dropping by 1.00%, reflecting the clear differentiation of money flow in the morning session. FPT, belonging to the software and services industry, fell by 0.92%, indicating a correction in tech stocks.

As of 10:30 am, the picture of the Vietnamese stock market showed a clear differentiation, with buyers still holding the upper hand. There were 382 rising codes, including 17 stocks hitting the ceiling price. Conversely, 240 codes decreased, with 6 hitting the floor price. This signal reflects a cautious and balanced trading sentiment between supply and demand.

Source: VietstockFinance

Opening: Advantage tilts towards the green

The market in the early morning session showed a positive trend across most of the main indexes. The growth momentum spread, reflecting a certain optimism in the money flow during this trading session. Notably, large-cap industries played a leading role, along with the breakthrough of some specialized fields.

At 9:30 am, the VN-Index stood at 1,343.79 points, up 0.30% from the opening price. The green color also spread to other exchanges, with the HNX-Index reaching 223.54 points, up 0.79%, and UPCOM rising 0.74% to 98.87 points.

The VN30 basket painted a bright picture, with 23 rising codes, far outnumbering the 7 declining ones. On the positive side, the main pillars included HPG, which contributed 1.53 points, SSI with 0.35 points, VCB at 0.29 points, and VPB at 0.25 points. Conversely, VIC had a negative impact of 1.43 points, VHM lost 1.00 points, STB took away 0.12 points, and FPT decreased by 0.11 points. Overall, the breadth of the VN30 market reinforced the optimistic sentiment in this session.

Looking at the industry movement, energy stood out as the top gainer, up 3.27%. Within this industry, PVS with a 5.15% increase was a notable highlight.

Next, financial services recorded a 1.3% increase, accounting for 3.52% of the total market capitalization. Many securities stocks in this industry showed strong upward momentum, such as SSI rising 1.48%, VCI climbing 1.22%, and VIX increasing by 1.1

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