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 12.53 trillion VND (534.51 million USD).
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 was up 0.93% while the UPCoM-Index at the Unlisted Public Companies Market was up by 0.16%.