The index lost 0.12 point or 0.35% to close at 34.10.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 fell to 5,237,520 shares changed hands for VND247.98 billion, compared with 6,791,519 shares changed hands for VND303.12 billion on Monday.
The market breadth was negative with 10 gainers, 24 losers, 7 unmoved and the rest untraded.
GDW was the biggest gainer today, adding VND1,500 to hit the ceiling at VND16,700 with 3,600 shares traded.
BTC was the biggest loser today, falling VND5,200 to hit the floor at VND47,300 on a trade of 100 units.
NHN was the most active stock for the second day with 4,920,000 shares traded, whose reference price were VND48,000/unit.
Foreigners bought 8,000 BTW shares; 1,000 DBM shares; 1,000 GDW shares; 6,000 NBW shares today.