The VN-Index declined for a second day on Friday, concluding the week at 1,231.66 points, down 0.26 per cent from Thursday.
The market closed higher on Monday as a series of banking and real estate stocks surged, propelling the indices.
The market closed higher on Friday as many large-cap stocks surged and foreign investors continued to pour cash in.
Việt Nam's stock market increased on Tuesday as many large-cap stocks rebounded in the afternoon session.
Markets edged higher on Monday as many big stocks across all sectors made gains. Foreign investors were still net sellers.
Vietnamese shares are forecast to encounter sharp volatility in the short-term as the market shows signs of correction after three consecutive weeks of gains, analysts said.