The index closed 0.27 points higher after losing 6.04 points on Wednesday.
Trading on the Ho Chi Minh Stock Exchange (HoSE) fell by 31.86% to VND6.63 trillion ($282.25 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 14 tickers gain.
BVH of insurance company Bao Viet Holdings gained 1.8%, followed by HDB of HDBank and STB of Ho Chi Minh City-based lender Sacombank, both with a 0.8% rise.
GVR of Vietnam Rubber Group gained 0.7% and VHM of property giant Vinhomes and went up 0.6%.
Thirteen blue chips fell.
PDR of Phat Dat Real Estate Development lost 2.2% and VPB of private lender VPBank closed 1.8% lower.
Foreign investors were net buyers to the tune of VND52.64 billion, mainly buying STB and HPG of steelmaker Hoa Phat Group.
The HNX-Index at the Hanoi Stock Exchange, where mid and small caps list, was up 0.37% while the UPCoM-Index at the Unlisted Public Companies Market was down by 0.33%.