The index closed 33.14 points higher after dropping 9.37 points in the previous session.
Trading on the Ho Chi Minh Stock Exchange increased by 48% to VND18.595 trillion ($762.67 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 29 tickers gained.
SSI of leading brokerage SSI Securities Corporation led with a 6.9% rise, followed by GVR of Vietnam Rubber Group, up 6.8%.
VJC of budget airline Vietjet rose 6.6% and FPT of IT giant FPT Corporation closed 4.9% higher.
Foreign investors were net seller to the tune of VND267 billion, mainly selling MWG of electronics retail chain Mobile World and VHM of property giant Vinhomes.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, rose 4.00%, while the UPCoM-Index for the Unlisted Public Companies Market went up 1.84%.