The index lost 0.16 point or 0.53%, to close at 29.81. 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 increased today to 197,540 shares changed hands for VND1.51 billion compared with 143,700 shares changed hands for VND0.66 billion on Monday.
The market breadth was negative with 16 gainers, 19 losers, 9 unmoved and the rest untraded.
DBM was the biggest gainer, adding VND1,500 to hit the ceiling at VND17,100 with 400 shares traded.
GDW was the biggest loser today, falling VND900 to finish at VND12,200 on a trade of 31,300 units.
BTW was the most active stock today with 51,200 units traded, whose prices lost VND400 to finish at VND7,300/unit.
Foreigners bought 42,200 BTW shares; 25,300 GDW shares; 7,000 WSB shares and sold 300 HPL shares.