The index closed 6.45 points higher after dropping 1.54 points in the previous session.
Trading on the Ho Chi Minh Stock Exchange increased by 28% to VND17.570 trillion (US$655.8 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 19 tickers gained.
VNM of dairy giant Vinamilk went up 5.8%, HDB of HDBank increased by 4.0%, and GAS of state-owned Petrovietnam Gas closed 3.5% higher.
Nine blue chips fell. PLX saw a 2.55% decline, followed by HPG of steelmaker Hoa Phat Group with a 2.51% decrease and VRE of retail real estate arm Vincom Retail, down 0.8%.
Foreign investors were net seller to the tune of VND605 billion, mainly selling VIC of private conglomerate Vingroup and MWG of electronics retail chain Mobile World.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, fell 0.22%, while the UPCoM-Index for the Unlisted Public Companies Market went down 0.19%.