The index closed 9.66 points higher after dropping 1.61 points in the previous session.
Trading on the Ho Chi Minh Stock Exchange increased by 6% to VND17.03 trillion ($698.95 million) after two sessions of decline.
The VN-30 basket, comprising the 30 largest capped stocks, saw 25 tickers gained.
The top gainers included MWG of electronics retail chain Mobile World, up 3.8%, SHB of Saigon Hanoi Commercial Bank, up 3.6%, and STB of Ho Chi Minh City-based lender Sacombank, up 2.6%
Five blue chips fell, including VHM of property giant Vinhomes with a 0.8% decline and HPG of steelmaker Hoa Phat Group, dropping 0.7%.
Foreign investors were net sellers to the tune of VND335 billion, mainly selling MWG of electronics retail chain Mobile World and VNM of dairy giant Vinamilk.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, rose 0.58%, while the UPCoM-Index for the Unlisted Public Companies Market went up 0.76%.