The index went sideways in the 1,180 range throughout the day before climbing up in the last hour of trading to end with a 0.34-point gain. It has stayed in the 1,180 range for three sessions in a row.
Trading value on the Ho Chi Minh City Stock Exchange (HoSE), on which the index is based, rose 0.5 percent to VND15.3 trillion ($667 million). The bourse saw 270 tickers gain and 168 lose.
The VN30 basket, comprising the 30 largest capped stocks on the HoSE, saw 11 tickers in the green, dominated by real estate and banking stocks.
NVL of Novaland Group led with a 2.6 percent growth, followed by VRE of retail real estate company Vincom Retail, up 2.3 percent.
Two banking tickers followed, with VPB of private lender VPBank up 2.1 percent to the highest price since 2018, and CTG of state-owned lender VietinBank up 1.6 percent.
TCH of real estate company Hoang Huy Investment Financial Services Jsc rose 1.1 percent, while HDB of HDBank was up 0.9 percent.
On the losing side, VHM of real estate giant Vinhomes led with a 1.3 percent drop, followed by VIC of its parent company Vingroup, down 1.2 percent.
Foreign investors were net sellers for ninth session in a row to the tune of VND472 billion. Selling pressures were strongest on CTG, VNM of dairy giant Vinamilk and VIC.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, gained 0.56 percent, while the UPCoM-Index for stocks on the Unlisted Public Companies Market added 0.83 percent.