Foreign investors net buy VND 951.7B, VIC leads VN-Index rally

Overview

Foreign investors recorded net buying of VND 951.7 billion (approximately USD 38 million) in the week ending August 30, 2026, with net purchases concentrated in banking and technology stocks. The VN-Index rose 3.62% to 1,832.12 points, driven largely by Vingroup (VIC) and banking heavyweights, though liquidity remained below the five-week average.

Key Facts

• Foreign investors net bought VND 951.7 billion on the whole market; on a matched-basis, net buying was VND 1,048.6 billion.
• VIC contributed +39.4 points to the VN-Index’s weekly gain, with the real estate sector adding +44.2 points overall.
• Banking sector contributed +13.4 points, led by VPB (+5.0), TCB (+3.7), SSB (+1.9), HDB (+1.1), STB (+0.8), and SHB (+0.7).
• Top foreign net-buying stocks on matched basis: TCB, FPT, VIC, VPB, HPG, PNJ, HCM, SHB, VPI, TCH.
• Top foreign net-selling stocks on matched basis: VCB, CTG, POW, TCX, BID, ACB, VHM, PLX, GEE.
• Retail investors net sold VND 2,006.5 billion; proprietary trading net sold VND 1,614.2 billion.
• Average matched trading value on HoSE reached VND 15,673 billion per session, up 36.33% week-on-week but still 9.31% below the five-week average.

What Happened

In the week ending August 30, 2026, the VN-Index advanced 64.0 points (+3.62%) to close at 1,832.12, marking a second consecutive week of recovery. However, the rally was heavily dependent on a few large-cap names, particularly VIC, which alone accounted for +39.4 points of the index gain. Banks provided secondary support, adding +13.4 points, while other sectors contributed modestly.

Foreign investors turned net buyers, purchasing VND 951.7 billion on a total basis and VND 1,048.6 billion on matched trades. Their buying was concentrated in banking and technology, with top purchases including TCB, FPT, VIC, and VPB. In contrast, they sold utilities and energy names such as VCB, CTG, POW, and BID. Retail investors and proprietary trading desks were net sellers, with retail selling VND 2,006.5 billion and proprietary selling VND 1,614.2 billion.

Market Context

VIC closed at VND 236,000 on August 30, 2026, and its 3.62% weekly rise contributed disproportionately to the index. The real estate sector, led by VIC, VHM (VND 73,000), SJS (VND 56,200), and TCH (VND 13,400), was the primary driver. Banking stocks also rallied, with VPB, TCB, and others posting gains. Despite the index’s strong weekly performance, average matched trading value on HoSE was VND 15,673 billion per session, still 9.31% below the five-week average, suggesting the rally lacked broad participation.

Strategic Significance

For long-term investors, the week’s data underscores the outsized influence of VIC on the VN-Index, which can distort market signals. Foreign investors’ preference for banking and technology stocks indicates a structural tilt toward financials and tech, while their selling of utilities and energy suggests a rotation. The continued net selling by retail and proprietary traders may reflect profit-taking or caution, but foreign net buying provides a counterweight. The sustainability of the recovery will depend on whether liquidity expands and whether the rally broadens beyond a few large caps.

What to Watch

• Weekly foreign flow data for the first week of September 2026 to see if net buying persists.
• VN-Index liquidity levels: whether average matched value on HoSE recovers above the five-week average.
• VIC’s price action and any company announcements that could affect its contribution to the index.
• Banking sector earnings or policy news that could sustain or reverse foreign interest.
• Retail and proprietary trading flows for signs of renewed risk appetite or continued de-risking.