The index closed 10.5 points higher after dropping 10.6 points in the previous session.
Trading on the Ho Chi Minh Stock Exchange decreased by 29% to VND15.03 trillion (US$586 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 22 tickers gained.
The top gainers included VRE of retail real estate arm Vincom Retail with a 4.4% rise and STB of Ho Chi Minh City-based lender Sacombank, up 3.7%.
VHM of property giant Vinhomes increased by 3.3% and VIC of private conglomerate Vingroup closed 2.9% higher.
Five blue chips dropped. GVR of Vietnam Rubber Group fell 1.7% and BVH of insurance company Bao Viet Holdings declined by 1.1%.
Foreign investors were net sellers to the tune of VND440 billion, mainly selling SSI of brokerage SSI Securities Corporation and MSN of conglomerate Masan Group.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, rose 0.58%, while the UPCoM-Index for the Unlisted Public Companies Market went up 0.43%.