The index lost 0.01 point or 0.03% to close at 35.06.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 133,780 shares changed hands for VND1.14 billion, compared with 323,055 shares changed hands for VND2.77 billion on Thursday trading.
The market breadth was flat with 15 gainers, 15 losers, 7 unmoved and the rest untraded.
NTW was the biggest gainer today, climbing VND1,300 to close at VND19,000/unit on a trade of 300 shares.
SPC was the biggest loser for the third day, giving up VND1,900 to close at VND19,400 with 1,580 units changed hands.
WSB was the most active stock for the second day today with 25,000 shares traded, adding VND600 per share to close at VND17,7 00/unit.
Foreigners bought 25000 WSB shares and sold 25000WSB shares today.