On the Hồ Chí Minh Stock Exchange, the VN-Index lost 10 points, or 1.09 per cent to end the session at 950.8 points.
Shares are set to move higher this week thanks to upbeat market sentiment and supportive information.
Shares ended Friday on a positive note as a series of large-cap stocks climbed and spurred the market.
Strong purchasing power from individual investors has been the key to the strong market rebounds since late March.
Vietnamese shares retreated from an eight-day rally yesterday as investors looked to sell after the earnings season ended.
Shares recovered from early losses on Tuesday to inch upwards, marking the eighth consecutive gaining day as cash flow increased at the end of the session and pushed up many large-cap stocks.