The index closed 15.44 points higher after gaining 15.03 points on Friday.
Trading on the Ho Chi Minh Stock Exchange (HoSE) increased by 14.89% to VND26.53 trillion ($1.12 billion).
The VN-30 basket, comprising the 30 largest capped stocks, saw 28 tickers gain.
TCH of real estate company Hoang Huy Investment Financial Services JSC led with a 6.6% rise. It was followed by CTG of state-owned lender VietinBank, up 5.16%.
Meanwhile, STB of Ho Chi Minh City-based lender Sacombank rose 3.80%.
Some real estate gainers include VHM of real estate giant Vinhomes, downed 0.16%, and PDR of Phat Dat Real Estate Development dropped 0.22%.
Foreign investors were net sellers to the tune of VND393.57 billion.
The HNX-Index at the Hanoi Stock Exchange, where mid and small caps list, was up 1.35% while the UPCoM-Index at the Unlisted Public Companies Market was up by 0.92%.