The index gained 0.16 point or 0.47% to close at 34.15.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 soared to 569,378 shares changed hands for VND24.32 billion compared with 107,780 shares changed hands for VND0.54 billion on Tuesday trading.
However, the market breadth was negative with 12 gainers, 15 losers, 3 unmoved and the rest untraded.
HIG was the biggest gainer today, adding VND900 to hit the ceiling at VND10,700 with 300 shares traded.
SDV was the biggest loser today, falling VND1,000 to hit the floor at VND9,000 on a trade of 200 units.
NHN was the most active stock today with 480,000 shares traded. Its reference price was at VND49,000/unit.
Foreigners bought 4,000 WSB shares today.