The index closed 13.43 points lower after gaining 2.13 points in the previous session.
Trading on the Ho Chi Minh Stock Exchange increased by 32% to 18.45 trillion VND, with 89 gainers and 448 losers.
The HNX-Index for stocks on the Hanoi Stock Exchange fell 1.42% to 228.42 points, with 50 gainers and 113 losers.
Meanwhile, the UPCoM-Index for the Unlisted Public Companies Market went down 0.36% to 85.07 points.
