The index closed 3.52 points higher after gaining 18.28 points in the previous session.
Trading on the Ho Chi Minh Stock Exchange decreased by 9% to VND23.74 trillion ($934 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 16 tickers gained.
POW of electricity producer Petrovietnam Power Corporation led with a 4.1% rise, followed by SAB of brewer Sabeco, up 3.4%.
FPT of IT giant FPT Corporation gained 1.6% and BVH of insurance company Bao Viet Holdings closed 1.1% higher.
Eleven bluechips dropped. ACB of Asia Commercial Bank fell 1.2% and BCM of Becamex Investment and Industrial Development closed 1.1% lower.
Foreign investors were net sellers to the tune of VND131 billion, mainly selling MWG of electronics retail chain Mobile World and VND of brokerage VNDirect.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, fell 0.16%, while the UPCoM-Index for the Unlisted Public Companies Market went up 0.07%.