The index closed 9 points higher after dropping 0.58 points in the previous session.
Trading on the Ho Chi Minh Stock Exchange increased by 4% to VND13.13 trillion ($535.26 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 21 tickers gained.
MWG of electronics retail chain Mobile World led with a 3.3% rise, followed by HPG of steelmaker Hoa Phat Group, up 2.6%.
VHM of property giant Vinhomes went up 2.5% and MSN of conglomerate Masan Group closed 2.3% higher.
Four blue chips dropped. SSB of SeABank fell 1.5% and TCB of the largest private lender Techcombank closed 0.4% lower.
Foreign investors were net buyers to the tune of VND147 billion, mainly buying MWG of electronics retail chain Mobile World and STB of Ho Chi Minh City-based lender Sacombank.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, rose 0.86%, while the UPCoM-Index for the Unlisted Public Companies Market went up 0.48%.