The index closed 13.68 points higher after gaining 2.4 points in the previous session.
Trading on the Ho Chi Minh Stock Exchange rose by 3.34% to VND16.512 trillion (US$649.3 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw all tickers gained.
CTG of state-owned lender VietinBank saw the biggest growth of 5.5%, followed by STB of lender Sacombank with a 4.5% increase and SSI of brokerage SSI Securities Corporation, up 2.3%.
MBB of MBBank rose 2.3%, TPB of TPBank went up 2.2%, and HDB of HDBank closed 2.1% higher.
Foreign investors were net buyer to the tune of VND254 billion, mainly buying SSI and HPG of steelmaker Hoa Phat Group.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, rose 0.79%, while the UPCoM-Index for the Unlisted Public Companies Market went up 0.61%.