The benchmark VN-Index on the Ho Chi Minh Stock Exchange inched down 0.04 per cent to close at 965.86 points.
Vietnamese shares closed Tuesday morning on a negative note with low liquidity as investors remained cautious.
Vietnam Airlines earned revenue of nearly VND26 trillion (US$1.2 billion) in the first quarter of this year, up 4.3 per cent year on year.
Vietnamese shares declined on Monday morning on poor market sentiment amid lack of supportive news.
The benchmark VN-Index on the Ho Chi Minh Stock Exchange (HoSE) ended last Friday at 966.21 points, recording a weekly loss of 1.69 per cent.
Vietnam Airlines Group reported a consolidated revenue increase of 4.3 per cent compared to the same period last year, pocketing VND26 trillion ($1.13 billion) and consolidated pre-tax profit of VND1.5 trillion ($65.22 million), achieving 45 per cent of the yearly plan.
Shares rose for the first time this week on Friday, driven by the recovery of heavyweight stocks, but liquidity hit a four-month low amid investor caution.
Shares rebounded on Friday morning after a three-day decline thanks to the recovery of major large caps.