The index closed 7.1 points higher after losing 25.3 points Thursday.
Trading on the Ho Chi Minh Stock Exchange (HoSE), on which the index is based, fell 6.7% to VND19.24 trillion ($792.52 million).
The VN30 basket, comprising the 30 largest capped stocks, saw 17 tickers gained.
SAB of brewer Sabeco rose 4.3%, followed by SSI of leading brokerage SSI Securities Corporation, up 3.6%.
MWG of electronics retail chain Mobile World closed 3.4% higher and HPG of steelmaker Hoa Phat Group went up 2.1%.
Nine blue chips fell. MSN of conglomerate Masan Group dropped 2.4% and TCB of the largest private lender Techcombank closed 1.2% lower.
Foreign investors were net buyers to the tune of VND408 billion, mainly buying DGC of Duc Giang Chemicals Group and SSI of leading brokerage SSI Securities Corporation.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, gained 0.69% while the UPCoM-Index for the Unlisted Public Companies Market rose 0.05%.