Arabtec tumbled its daily 10 per cent limit, dragging down the entire Dubai stock market, where the main index dropped 5.4 per cent.
The lender had repaid the rest of its total Dhs12.6 billion of support in 2013.
Aabar’s statement followed media reports last week that said the fund was in talks to buy at least part of the 28.85 per cent stake owned by Arabtec’s former chief executive Hasan Ismaik.
Any potential tie-up between the pair would be subject to both firms agreeing terms as well as receiving the approvals of shareholders and regulators.
The lender reported a net profit of Dhs515.6 million for the three months to June 30, up from Dhs488.3 million in the same period last year.
Net profit fell to SAR7.91 million ($2.1 million) in the three months to June 30 from SAR25.38 million a year earlier, the company said in a statement.
The company earned SAR6.46 billion ($1.72 billion) in the quarter, compared to SAR6.04 billion in the year-earlier period.
Net profit in the three months to June 30 was SAR121.3 million ($32.3 million) compared to 103.7 million in the same period a year earlier.
The economic rebound seen both locally and internationally has seen deal-making revived in the last two years, with many now divesting stakes and looking for new opportunities.
The firm made SAR364 million ($97.1 million) in the three months to June 30, according to a bourse filing.
The Securities and Commodity Authority said a new “technical committee” would ensure the integrity of share trading and prevent any manipulation of stock prices.
UAE and Qatar stock markets rallied sharply over the past year in anticipation of the upgrade to emerging market status by index compiler MSCI.
Under the law, founders of a company can list shares through a sell down of a certain percentage of their existing stock.
The firm, which runs securities trading in Dubai, made a net profit of Dhs252.5 million.
On Thursday, the Dubai bourse said it was suspending trade in Arabtec pending clarification on media reports about strategic partners’ stake in the firm.
Housing, water, electricity, gas and fuels recorded price increases of 4.6 per cent during the first six months of the year.
Dubai’s index slipped 0.7 per cent as property stocks retreated.
Trading in Arabtec’s shares were suspended following media reports of Aabar increasing its stake in the company.
The Abu Dhabi state fund is looking to raise its stake in Arabtec to almost 30 per cent to become the major stakeholder, a source said.
The bank made a quarterly profit of OMR46.6 million ($121 million) in the second quarter compared to OMR38.1 million in the corresponding period of 2013.
The bank made QAR388 million ($107 million) in the second quarter, up from QAR353 million in the same period of 2013.
The company made a net loss of SAR329 million ($87.7 million) in the three months to June 30, according to a bourse filing.
The company made a net profit in the three months to June 30 of SAR513.3 million ($136.9 million), compared with SAR387.8 million in the same period a year earlier.
The former monopoly made a net profit of KD59 million ($209 million) in the three months to June 30.
Direct world cup spending is estimated to be $16 billion, which is 7.5 per cent of Qatar’s GDP, says report by Bank of America Merrill Lynch.
Net profit climbed to KD60.9 million ($215.8 million) in the three months to June 30 from KD47.2 million a year earlier.
The company made a net profit of QAR238.6 million ($65.6 million) in the three months to June 30.
Cash divident is lower than the SAR1.70 per share which the firm paid for the corresponding period of 2013.
Masraf said the sale price would be QAR1.53 billion ($420.3 million), which would generate a gain of QAR466 million for the bank spread over three years.
The miner made a net SAR370.8 million ($98.9 million) in the three months to June 30, compared with 40.98 million in the year-earlier period.