Forty largest companies by market capitalisation posted a 15 per cent annual decline in total pre-tax profit after nine months.
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.
The benchmark VN-Index on the Hồ Chí Minh Stock Exchange edged up 0.02 per cent to close Friday at 888.97 points.
The VN-Index snapped a five-trading day gaining streak on Friday as many investors decided to cash in on stocks which had rallied substantially in recent days.
Vietnamese shares advanced on Friday thanks to global upbeat sentiment as investors cheered the speech by the US’s FED chairman Jerome Powell at a conference overnight.
Shares finished higher on both the national stock exchanges with improved liquidity boosted by strong buying demand on Tuesday.
Shares failed to maintain their rally on Tuesday with the market experiencing strong volatility with big variation in large-caps' prices.