The index closed 11.85 points higher after losing 8.4 points on Thursday.
Trading on the Ho Chi Minh Stock Exchange (HoSE) fell by 11.31% to VND16.50 trillion ($697.53 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 20 tickers gain.
MWG of electronics retail chain Mobile World led with a 5.3% surge, followed by VCB of state-owned lender Vietcombank, up 4.3%.
GVR of Vietnam Rubber Group gained 2.7% and PDR of Phat Dat Real Estate Development closed 2.4% higher.
Seven blue chips fell.
SAB of brewer Sabeco lost 1.6% and MSN of conglomerate Masan Group fell 1.1%.
Foreign investors were net sellers to the tune of VND1.36 trillion ($57.49 million). They focused on selling EIB of private lender Eximbank, VHM of property giant Vinhomes and KDC of food producer KIDO Group.
The HNX-Index at the Hanoi Stock Exchange, where mid and small caps list, was up 0.33% while the UPCoM-Index at the Unlisted Public Companies Market was down by 0.51%.