The index closed 8.44 points higher after dropping 2.05 points in the previous session.
Trading on the Ho Chi Minh Stock Exchange increased by 15% to VND19.583 trillion (US$763.9 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 14 tickers gained.
VIC of private conglomerate Vingroup saw the biggest jump of 7.0%, followed by VHM of property giant Vinhomes with a 6.3% gain and SHB of Saigon Hanoi Commercial Bank, up 5.5%.
Thirteen blue chips fell, with LPB of Fortune Vietnam Bank dropping by 1.9%.
BCM of Becamex Investment and Industrial Development went down 1.8% and VIB of Vietnam International Commercial Bank closed 1.7% lower.
Foreign investors were net seller to the tune of VND720 billion, mainly selling FPT of tech giant FPT Corporation and TPB of private lender TPBank.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, rose 0.07%, while the UPCoM-Index for the Unlisted Public Companies Market went down 0.20%.