The index gained 0.04 point or 0.12% to close at 34.19.The gauge started with the given mark of 100 on June 24, 2009 but it has never been back to that level.
The market volume climbed to 704,700 shares changed hands for VND1.96 billion, compared with 134,800 shares changed hands for VND1.09 billion on Wednesday.
However, the market breadth was negative with 9 gainers, 19 losers, 7 unmoved and the rest untraded.
GDW was the biggest gainer today, adding VND1,600 to hit the ceiling at VND18,500 with 1,700 shares traded.
WSB was the biggest loser for the second day, falling VND1,900 to hit the floor at VND17,200 on a trade of 5,100 units.
FBA was the most active stock today with 564,600 shares traded, whose price gained VND100 to hit the ceiling at VND2,000/unit.