The index started to surge in the afternoon and closed with an 18-point gain. It has ended in the green in 10 out of the last 11 sessions.

Trading value on the Ho Chi Minh Stock Exchange (HoSE), on which the index is based, shot up to a four-week high of VND22.63 trillion ($983.2 million). The bourse saw 271 tickers gain and 97 lose.

The VN30 basket, comprising the 30 largest capped stocks, saw 26 tickers in the green, led by SSI of leading brokerage SSI Securities Corporation with a 5.1 percent gain to a new peak.

The ticker has experienced an upward trend these past three weeks, gaining nearly 83 percent this year.

MSN of conglomerate Masan Group rose 4.8 percent, also to a new peak. VHM of real estate giant Vinhomes rose 3.1 percent.

Other strong gainers include GVR of Vietnam Rubber Group, up 2.9 percent, and ACB of Asia Commercial Bank, up 2.7 percent.

Three blue chip tickers ended in the red: NVL of real estate developer Novaland Group, down 1.4 percent, VIC of biggest private conglomerate Vingroup, down 0.2 percent and SAB of brewer Sabeco, down 0.1 percent.

Foreign investors were net buyers for the seventh session in a row to the tune of VND131 billion, with strongest pressure on VHM and STB of Ho Chi Minh City-based lender Sacombank.

The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, rose 1.6 percent while the UPCoM-Index for the Unlisted Public Companies Market gained 1.25 percent.