The index closed 19.69 points higher after dropping 12.45 points in the previous session.
Trading on the Ho Chi Minh Stock Exchange was mostly unchanged at VND13.53 trillion (US$549 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 29 tickers gained.
VHM of property giant Vinhomes led with a 5.4% rise, followed by VRE of retail real estate arm Vincom Retail, up 2.6%.
VCB of state-owned lender Vietcombank gained 2.5% and MSN of conglomerate Masan Group closed 2.2% higher.
Foreign investors were net buyers to the tune of VND524 billion, mainly buying VHM and FPT of IT giant FPT Corporation.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, rose 0.63%, while the UPCoM-Index for the Unlisted Public Companies Market went up 0.59%.
Globally MSCI's broadest index of Asia-Pacific shares rose 0.6%, while S&P 500 futures and Nasdaq futures both edged up, Reuters reported.
European stocks were higher on Tuesday, while the U.S. dollar was pinned lower, a day before the U.S. Federal Reserve is expected to begin an easing cycle that could see policymakers deliver an outsized rate cut.