The index closed 1.87 points higher after gaining 4.93 points in the previous session.
Trading on the Ho Chi Minh Stock Exchange decreased by 3% to VND12.92 trillion (US$511.28 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 14 tickers gained and 16 fell.
TCB of private lender Techcombank led with a 2% rise, followed by LPB of Lien Viet Post Bank, up 1.7%.
HDB of HDBank gained 1.5% and VIC of private conglomerate Vingroup increased by 1% higher.
Eleven blue chips dropped, including BCM of Becamex Investment and Industrial Development with a 1.4% fall and VNM of dairy giant Vinamilk, down 1.3%.
Foreign investors were net sellers to the tune of VND344 billion, mainly selling VNM of dairy giant Vinamilk and FRT of FPT Digital Retail.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, rose 0.50%, while the UPCoM-Index for the Unlisted Public Companies Market went up 0.88%.