The index closed 6.21 points higher after losing 8.22 points on Thursday.
Trading on the Ho Chi Minh Stock Exchange (HoSE) fell by 30% to VND16.53 trillion ($703.93 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 17 tickers gain.
SSI of leading brokerage SSI Securities Corporation gained 3.9%, followed by PDR of Phat Dat Real Estate Development with a 3.7% increase.
MSN of conglomerate Masan Group and NVL of property developer Novaland Group both went up 2.8%.
Twelve blue chips closed in the red, including VJC of budget airline Vietjet with a 1.2% decline.
Foreign investors were net buyers to the tune of VND44.84 billion, mainly buying CTG of state-owned lender VietinBank and GEX of electrical equipment maker Gelex Group.
The HNX-Index at the Hanoi Stock Exchange, where mid and small caps list, was up 0.36% while the UPCoM-Index at the Unlisted Public Companies Market was up by 0.20%.