The index closed 18.35 points higher after losing 6.02 points on Friday.
Trading on the Ho Chi Minh Stock Exchange (HoSE) fell by 2.7% to VND19.77 trillion ($821.69 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 27 tickers gain.
BCM of Becamex Investment and Industrial Development rose 4.4%, followed by VNM of dairy giant Vinamilk with a 4% increase.
FPT of IT giant FPT Corporation went up 3.8% and VRE of retail real estate arm Vincom Retail closed 3.7% higher.
No blue chip closed in the red.
Foreign investors were net buyers to the tune of VND129.76 billion, mainly buying DGC of Duc Giang Chemicals Group and DXG of real estate developer Dat Xanh Group.
The HNX-Index at the Hanoi Stock Exchange, where mid and small caps list, was up 0.82% while the UPCoM-Index at the Unlisted Public Companies Market was up by 0.79%.