The index closed 1.69 points higher after gaining 4.56 points on Thursday.
Trading on the Ho Chi Minh Stock Exchange (HoSE) increased by 21.22% to VND9.44 trillion ($401.53 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 19 tickers gain.
NVL of property developer Novaland Group hit ceiling price with a 6.7% rise.
PDR of Phat Dat Real Estate Development rose 2.9%, followed by HDB of HDBank with a 2.3% gain.
GVR of Vietnam Rubber Group and VHM of property giant Vinhomes both went up 2.1%.
Ten blue chips fell. VCB of state-owned lender Vietcombank dropped 1.9% and MSN of conglomerate Masan Group went 1.3% lower.
Foreign investors were net buyers to the tune of VND95.69 billion, mainly buying VHM and HPG of steelmaker Hoa Phat Group.
The HNX-Index at the Hanoi Stock Exchange, where mid and small caps list, was up 1.18% while the UPCoM-Index at the Unlisted Public Companies Market was stayed unchanged.