The index of 262 companies and five mutual funds listed on the Ho Chi Minh Stock Exchange slipped 0.17 percent, or 0.8 points, to finish at 457.59 points.
Trading volume on the city bourse faintly fell over the previous trading session as around 26.64 million shares changed hands at a value of VND689 billion.
On the index, 63 stocks advanced, 132 declined, while 72 stalled.
Vietnam Mechanization Electrification & Construction Joint Stock Company (MCG) continued to win the position of most active share in volume for the third day with 1.57 million shares changing hands.
It was chased after by PetroVietnam Fertilizer and Chemicals Corporation (DPM) with 1.25 million shares.
Long An Food Processing Export Joint Stock Company (LAF) came next with 613,360 shares traded.
Hanoi-based construction company, Tai Nguyen Corporation (TNT), contracted the daily maximum allowed limit of 5 percent to VND24,700.
Da Nang Construction Building Materials and Cement Joint Stock Company (DXV) shrank 4.98 percent to VND19,100.
Ha Tien Transport Joint Stock Company (HTV) dropped 4.9 percent to VND23,300.
From October 21 to December 21, Vietnam Cement Industry Corporation, inside shareholder of Ha Tien Transport Joint Stock Company (HTV), registered to sell 1,008,000 shares, reducing its holdings to 4,039,970 shares, to restructure its investment category.
OPC Pharmaceutical Joint Stock Company (OPC) restored 4.86 percent to trade at VND38,800.
Vietnam Mechanization Electrification & Construction Joint Stock Company (MCG) leaped forward for four straight trading sessions, adding up 4.81 percent to VND19,600.
Information and Networking Technology Joint Stock Company (CMT) edged up 4.8 percent to VND28,400.
The smaller bourse in the north also opened week in low note as the Hanoi’s HNX-Index slid 0.8 points, or 0.67 percent, to 118.89 points. Trading volume slightly improved over the previous trading session to around 17.3 million shares, worth VND371.24 billion.
The UPCoM-Index dropped 0.2 points to 43.27 points. A total of 97,000 shares were traded at VND1.25 billion this morning.