The index closed 10.46 points higher after dropping 4.52 points in the previous session.
Trading on the Ho Chi Minh Stock Exchange increased by 5% to VND18.03 trillion ($753.61 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 27 tickers gained.
BCM of Becamex Investment and Industrial Development led with a 4.3% rise, followed by MWG of electronics retail chain Mobile World, up 2.4%.
TPB of private TPBank gained 2.3% and SAB of brewer Sabeco went up 1.9%.
VHM of property giant Vinhomes dropped 0.1%.
Foreign investors were net sellers to the tune of VND550 billion, mainly selling VHM and SSI of leading brokerage SSI Securities Corporation.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, rose 0.99%, while the UPCoM-Index for the Unlisted Public Companies Market went up 0.32%.