The index closed 0.81 points higher after gaining 15.44 points on Monday. It still hovers around the highest level this year, having increased by 23%.
Trading on the Ho Chi Minh Stock Exchange (HoSE) fell by 12.53% to VND23.21 trillion ($978.27 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 17 tickers dropped.
VIC of private conglomerate Vingroup led with a 4.9%, followed by VRE of retail real estate arm Vincom Retail with a 4.7% increase.
POW of electricity producer Petrovietnam Power Corporation went up 2.9% and MSN of conglomerate Masan Group closed 1.1% higher.
Foreign investors were net sellers to the tune of VND236.52 billion, mainly selling GMD of logistics company Gemadept Corp and VRE of retail real estate arm Vincom Retail.
The HNX-Index at the Hanoi Stock Exchange, where mid and small caps list, was up 0.16% while the UPCoM-Index at the Unlisted Public Companies Market was up by 1.16%.