Trading value on the Ho Chi Minh Stock Exchange (HoSE) reached VND11.8 trillion ($486.76 million) on Monday, a decline of 39% from the previous day and the lowest level in nearly one month.
The cash flow ran into three main industry groups, namely real estate, financial services and banking.
The VN-Index, representing the HoSE, lost 7.55 points, or 0.69%, to 1,088.06, the lowest since November 7.
The major bourse saw up to 351 stocks losing and 165 gaining, with only 595 million shares changing hands.
The VN-30 basket, comprising 30 largest capped stocks, dropped 9 points, or 0.82%, to 1,078.42, with 23 tickers falling. STB of Ho Chi Minh City-based lender Sacombank fell 3.2%, followed by SSI of Saigon Securities, down 3.1%, and TCB of Techcombank, down 2.5%.
Five blue chips bucked the trend, led by SAB of brewer Sabeco and VHM of real estate developer Vinhomes with respective increases of 2.1% and 1.8%.
In the mid-cap group, financial, retail and real estate stocks were also under heavy selling pressure.
Foreign investors were net buyers on the HoSE to the tune of VND41 billion ($1.69 million). They mainly net purchased HPG of steel giant Hoa Phat and VPB of private lender VPBank
The HNX-Index on the Hanoi Stock Exchange, home to mid and small caps, lost 0.98% to 223.89 points, while the UPCoM-Index for the unlisted public companies market fell 0.59% to 84.5 points.