On the HCM City Stock Exchange, the VN-Index fell 0.15 percent, reaching 471.45 points.
However, trading value soared 170 percent compared to the previous dayto exceed 1.7 trillion VND (80.1 million USD). Trading volume fetched69.3 million shares.
Among the 30 largest stocks interms of capitalisation and liquidity, only Vietinbank (CTG), softwaregroup FPT (FPT), Sacombank (STB) and Vinamilk (VNM) managed to postgains, up between 0.2-2.3 percent.
Vinamilk advancedby 2.3 percent after Forbes Vietnam announced it had topped the listof the 50-best listed companies. PV Gas (GAS) followed in second place.
As of September 4, PV Gas and Vinamilk earned thelargest capitalisation value on the stock market, 123 trillion VND (5.8billion USD) and 111 trillion VND (5.2 billion USD), respectively.
Meanwhile, only four other blue chips closed the session unchanged as the other 21 shares tumbled.
The VN30 shed 0.43 percent to 525.66 points.
On the Hanoi Stock Exchange, the HNX-Index closed down 0.7 percent at 60.20 points.
Selling pressure drove trading value up to 109.15 billion VND (5.1 million USD) on a volume of 14.9 million shares.
The HNX30, tracking the northern bourse's top 30 shares, also ended1.4 percent lower at 109.33 points. Foreign investors on September 4became net buyers in both cities, by a combined margin of 21.8 billionVND (1 million USD).-VNA