The index closed 3.57 points higher after losing 1.24 points on Friday.
Trading on the Ho Chi Minh Stock Exchange (HoSE) fell by 6.20% to VND12.53 trillion ($534.51 million).
Foreign investors were net sellers to the tune of VND468.36 billion, mainly selling VNM of dairy giant Vinamilk and VND of brokerage VNDirect.
The VN-30 basket, comprising the 30 largest capped stocks, saw 16 tickers gain.
TCB of the largest private lender Techcombank rose 2.9%, followed by VPB of private lender VPBank with a 2.1% increase.
GVR of Vietnam Rubber Group abd TPB of private TPBank both went up 1.5%.
Ten blue chips closed in the red, with VCB of state-owned lender Vietcombank losing 1.2%.
The HNX-Index at the Hanoi Stock Exchange, where mid and small caps list, was up 0.93% while the UPCoM-Index at the Unlisted Public Companies Market was up by 0.16%.