It rose 15.9 points after losing 15.2 points on September 26.
Trading on the Ho Chi Minh Stock Exchange (HoSE), on which the index is based, fell 16% to 18.19 trillion VND (746.18 million USD).
The VN30 basket, comprising the 30 largest capped stocks, saw 27 tickers gained.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, rose 2.65% while the UPCoM-Index for the Unlisted Public Companies Market gained 0.34%.