The index closed 6.95 points higher after dropping 17.49 points in the previous session.
Trading on the Ho Chi Minh Stock Exchange increased by 11% to VND21.61 trillion (US$835 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 18 tickers gained and 12 fell.
VIC of private conglomerate Vingroup led with a 4.6% gain, followed by SSB of SeABank, up 3.5%.
BVH of insurance company Bao Viet Holdings and GVR of Vietnam Rubber Group both rose 3%.
Five blue chips fell, including VCB of state-owned lender Vietcombank with a 2% drop.
Foreign investors were net sellers to the tune of VND4549 billion, mainly selling VIC of private conglomerate Vingroup and VNM of dairy giant Vinamilk.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, rose 0.08%, while the UPCoM-Index for the Unlisted Public Companies Market went up 0.16%.