The index closed 2.95 points higher after dropping 1.60 points in the previous session.
Trading on the Ho Chi Minh Stock Exchange increased by 13% to VND20.76 trillion ($850.65 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 15 tickers gained.
TPB of private TPBank led with a 4.2% rise, followed by CTG of state-owned lender VietinBank, up 3.3%.
BID of state-owned lender BIDV went up 2.9% and SHB of Saigon Hanoi Commercial Bank closed 2.6% higher.
FPT of IT giant FPT Corporation dropped 2% and HPG of steelmaker Hoa Phat Group closed 1.3% lower.
Foreign investors were net sellers to the tune of VND216 billion, mainly selling DGC of Duc Giang Chemicals Group and PVS of PetroVietnam Technical Services Corporation.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, fell 0.47%, while the UPCoM-Index for the Unlisted Public Companies Market went down 0.66%.