The index closed 17 points higher after gaining 13 points in the previous session.
Trading on the Ho Chi Minh Stock Exchange increased by 1.6% to VND22.68 trillion ($920 million).
In the VN30 basket, which comprises the 30 largest capped stocks, VCB of state-owned lender Vietcombank rose 6.9%, followed by VRE of retail real estate arm Vincom Retail, up 5.3%.
TPB of private TPBank gained 4.4% and VPB of private lender VPBank closed 2.8% higher.
Two blue chips fell. CTG of state-owned lender VietinBank dropped 0.6% and VJC of budget airline Vietjet closed with a 0.1% decline.
Foreign investors were net buyers. They mainly net bought HPG of steelmaker Hoa Phat Group and SSI of leading brokerage SSI Securities Corporation.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, rose 1.08%, while the UPCoM-Index for the Unlisted Public Companies Market went down 0.11%.
