The index closed 0.14 points higher after gaining 6.64 points in the previous session.
Trading on the Ho Chi Minh Stock Exchange decreased by 7% to VND13.08 trillion ($521 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw nine tickers gained.
VCB of state-owned lender Vietcombank led with a 1.9% rise, followed by VJC of budget airline Vietjet, up 1.7%.
HDB of HDBank increased by 1.6% and VNM of dairy giant Vinamilk went up 1.1% higher.
Sixteen blue chips fell. SSB of SeABank declined by 2.1% and HPG of steelmaker Hoa Phat Group lost 1.7%.
Foreign investors were net buyers to the tune of VND323 billion, mainly buying HDB and FPT of techt giant FPT Corporation.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, fell 0.25%, while the UPCoM-Index for the Unlisted Public Companies Market went down 0.23%.
A rally in Japanese shares led stocks higher on Tuesday ahead of a slew of data this week, including U.S. inflation numbers, which could clarify the Federal Reserve's policy outlook after volatile markets last week, Reuters reported.
Japan's Nikkei jumped more than 3% following a holiday on Monday, a welcome relief after last week's wild swings that began with a massive sell-off spurred by a rising yen and fears of a U.S. recession.
MSCI's broadest index of Asia-Pacific shares outside Japan rose 0.15% to 556.55. Chinese stocks edged down while Hong Kong's Hang Seng Index ticked up 0.1%.
U.S. markets looked set to follow the cautiously optimistic tone, with S&P futures up 0.47% and Nasdaq futures up 0.72%.