The index gained 0.3 point or 0.86% to close at 35.18.The gauge started with given mark of 100 on June 24, 2009 but it has never been back to that level.
The market volume fell to 294,290 shares changed hands for VND2.2 billion, compared with 652,173 shares changed hands for VND4.24 billion on Monday trading.
However, the market breadth was flat with 19 gainers, 19 losers, 6 unmoved and the rest untraded.
HPP was the biggest gainer today, climbing VND1,400 to hit the floor at VND15,500/unit on a trade of 1,000 shares.
NTW was the biggest loser today, giving up VND1,900 to hit the floor at VND17,100 with 1,000 units changed hands.
UDJ was the most active stock today with 94,500 shares traded, adding up VND600 per share to close at VND9,000/unit.
Foreigners bought 15,000 WSB shares and sold 28,000WSB shares today.