HPG Leads Foreign Net Buying as VN-Index Slips on September 18

Overview

Foreign investors net bought VND 1,254.93bn on HOSE on September 18, with HPG (Hòa Phát, HOSE) attracting the largest single-name inflow at VND 250.63bn. The VN-Index nevertheless fell 7.11 points (-0.39%) to 1,815.66, dragged by banking heavyweights, while the HNX-Index rose 0.51% to 275.29.

Key Facts

• Foreign net buying on HOSE reached VND 1,254.93bn, led by HPG (VND 250.63bn), PNJ (VND 247.1bn), SHB (VND 220.9bn) and STB (VND 201.67bn).
• Foreign investors net sold VND 42.97bn on HNX, concentrated in CEO (VND 35.66bn), PVS (VND 2.8bn), MST (VND 1.12bn) and VC3 (VND 1.02bn).
• VN-Index closed at 1,815.66, down 7.11 points (-0.39%); HNX-Index closed at 275.29, up 1.39 points (+0.51%).
• Matched-order turnover on VN-Index exceeded 721 million shares, worth more than VND 22,000bn; HNX-Index turnover reached more than 41 million shares, worth over VND 573bn.
• CTG, VPL, TCB and BID were the largest negative contributors to the VN-Index, removing more than 6.32 points combined.
• STB, HPG, VCB and VCK were among the positive contributors, adding 2.46 points to the index.
• Information technology was the weakest sector, down 3.26%, led by FPT (-3.5%), ELC (-0.37%) and VEC (-3.17%).

What Happened

The session opened positively, with the VN-Index up nearly 17 points (+0.93%) to 1,839.67 at the midday break, and market breadth favoring advancers at 406 gainers versus 233 decliners. VIC and VHM contributed a combined 4.5 points, with VCB, BID and VPB adding a further 4.47 points, according to the market recap.

Selling pressure intensified through the afternoon, pushing the benchmark into negative territory by the close. The VN30 basket finished with 17 decliners, 10 gainers and 3 unchanged, even as overall market breadth stayed positive at 440 gainers versus 312 decliners. The article attributes the reversal to late-session selling in large-cap banks, with CTG, VPL, TCB and BID the heaviest drags. The foreign flow data cited is sourced from the daily market recap published on September 18.

Market Context

HPG closed at VND 21,550 on September 18 on HOSE, and was one of the few large caps to hold gains while the index fell. The steel maker sits in the Basic Resources sector, which has been sensitive to Chinese steel output and domestic construction demand. The broader pattern on the day was a divergence between index-level weakness in banking and sustained foreign demand for selected large caps, with HPG, PNJ, SHB and STB absorbing the bulk of the VND 1.25tn inflow. HNX-listed names saw the opposite treatment, with CEO and PVS leading VND 42.97bn of net selling.

Strategic Significance

For long-term holders of HPG, the session reinforces a pattern of foreign investors using index weakness to accumulate steel exposure rather than chase momentum. The concentration of inflows in four names, rather than broad-based buying, suggests stock-specific conviction rather than a market-wide risk-on shift. HPG’s position as the largest listed steel producer on HOSE makes it a default vehicle for foreign investors seeking cyclical Vietnamese industrial exposure, and continued net buying at the VND 21,550 level provides a reference point for how offshore funds are pricing the domestic construction and export recovery cycle.

What to Watch

• Daily foreign net flow data on HOSE to see whether HPG inflows persist beyond a single session.
• HPG’s third-quarter earnings release and any monthly steel sales disclosure.
• VN30 index rebalancing announcements that could shift passive flows into or out of HPG.
• Foreign-ownership room filings for HPG, PNJ, SHB and STB.
• HNX foreign flow trends, particularly whether CEO and PVS selling continues.