The index lost 0.01 point or 0.03% to close at 34.70.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 edged down to 4,142,380 shares changed hands for VND196 billion, compared with 5,183,979 shares changed hands for VND250 billion on Thursday trading.
However, the market breadth was positive with 22 gainers, 18 losers, 3 unmoved and the rest untraded.
SDV was the biggest gainer today, adding VND800 to hit the ceiling at VND8,900 with 100 shares traded.
MEF was the biggest loser today, falling VND10,400 to hit the floor at VND15,800 on a trade of 100 units.
NHN was the most active stock for a fourth day in a row today with 3,900,000 shares traded. Its reference prices were VND49,000/unit.
Foreigners bought 2000 WSB shares today.