The index closed 0.27 points higher, after losing 6.04 points on April 19.
Trading on the Ho Chi Minh Stock Exchange (HoSE) fell by 31.86% to VND6.63 trillion ($282.25 million).
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%.
