The index shot up in the last minutes of trading to close with a near 14-point gain.

Trading value on the Ho Chi Minh Stock Exchange (HoSE), on which the index is based, rose 4.5 percent to VND25.51 trillion ($1.12 billion). The bourse saw 218 tickers gain and 161 lose.

The VN30 basket, comprising the 30 largest capped stocks, saw 18 tickers gain led by VIC with a 6.2 percent increase.

Trading volume of the ticker rose 27 percent from the average of the last 10 sessions. It is now at its highest since July 2.

SSI of leading brokerage SSI Securities Corporation shot up 4.2 percent to a new peak, having gained 93 percent this year.

GVR of Vietnam Rubber Group rose 3.3 percent and NVL of real estate developer Novaland Group, 1.8 percent.

On the losing side, GAS of state-owned Petrovietnam Gas dropped 1.8 percent, while TPB of private TPBank fell 1.5 percent.

Foreign investors were net sellers for the eighth session in a row to the tune of VND749 billion, with strongest pressure on SSI and NVL.

The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, gained 0.36 percent, while the UPCoM-Index for the Unlisted Public Companies Market rose 0.24 percent.