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Blue-chip stocks weakened, VN-Index fell.

Blue-chip stocks came under downward pressure, with stocks belonging to the Vingroup ecosystem becoming the focus of selling.

Báo Nghệ AnBáo Nghệ An15/05/2026

Opening the trading session on the morning of May 15th, the VN-Index quickly entered a volatile state due to pressure at its peak. Amidst a divergent overall market, significant pressure from blue-chip stocks, with the reversal and correction of the large-cap pair VIC and VHM, caused the VN-Index to fall sharply.

After more than an hour of trading, the VN-Index fell by over 9 points, although the number of advancing and declining stocks was fairly balanced. Not only did Vingroup shares reverse direction, but the group of leading stocks also quickly weakened, except for a few that maintained their gains such as TCB,ACB , LPB, VCB, and STB.

At the end of this morning's trading session, the banking sector saw mixed results with TCB (+1.62%), ACB (+2.19%), VCB (+0.33%), HDB (-0.36%), MBB (-0.28%), BID (-0.69%), and VPB (-0.36%). Similarly, the financial services sector saw mixed results with VIX (+0.8%), SSI (-0.18%), VCK (-2.56%), TCX (+1.18%), HCM (+0.35%), and MBS (+0.52%).

In the real estate sector, VIC (-1.65%), NVL (+3%), CEO (+1.73%), VRE (-1.61%), VPI (-0.64%), and VHM (-1.72%) saw positive developments. Positive trends spread to the oil and gas sector, with BSR (+0.5%), PLX (+1.13%), PVS (+0.25%), PVD (-0.15%), and OIL falling to the reference price.

Chemical group: GVR (+2.49%), DPR (+1.87%), DGC (-0.59%), DRI (+3.38%) and PHR (+3%).

The VN-Index fell 3.48 points to 1,921.98 points (-0.18%) compared to the previous session, while the UPCoM-Index increased 126.6 points (+0.2%), equivalent to 0.25 points, and the HNX-Index increased 257.52 points (+0.9%), equivalent to 2.45 points.

Market liquidity reached VND 8,969.95 billion, with 303,000 shares traded. Across the sector, 126 stocks rose (including 3 hitting the ceiling price), 143 stocks fell, and 78 stocks dropped to the reference price.

Screenshot taken on 2026-05-15 at 11:05:57
The market trading on the morning of May 15th. Photo: Vinh Hoang

According to experts from Asean Securities Company, technically the VN-Index is consolidating the main upward trend as it closed at 1,919 points, establishing a solid position on the MA10 and MA20 lines with the consensus from technical indicators RSI (69) and MFI (58), showing that the upward momentum and money flow are clearly improving.

With buyers dominating and closing prices near the day's high, the optimistic scenario for the next session is that the index will continue its upward momentum to test the resistance zone of 1,930 - 1,940 points before establishing a clearer trend.

In this context, short-term investors should prioritize increasing their holdings during corrections rather than chasing the price up.

At the same time, consider taking partial profits at resistance levels and focus on stock groups with unique stories such as state divestment, private sector development, market upgrade, or offshore cycles.

According to experts at AIS Securities Company, the VN-Index recorded a positive gain and closed at its all-time high of over 1,925 points as demand surged again in large-cap stocks, especially the Vingroup group.

In the upcoming trading sessions, the VN-Index is expected to continue its upward trend, aiming towards the 1,950 point mark, and further still, the 2,000 point mark.

Investors should take advantage of price fluctuations to buy and hold stocks with solid fundamental prospects. Sell stocks that show signs of price weakness.

Source: https://baonghean.vn/nhom-co-phieu-bluechip-suy-yeu-vn-index-giam-diem-10336888.html


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