Companies listed on the Istanbul Stock Exchange

Deputy Prime Minister Nurettin Canikli said companies seized as part of the probe into the failed coup attempt create a serious risk for the banking sector of up to 5 billion Turkish Liras ($1.7 billion), but their administration by the state minimized the risks.

The Competition Board has opened a probe against a number of iron and steel companies, including Kardemir, according to an announcement on the board's website. 

The investigations were opened against Çağ Iron and Steel, Çelsantaş Iron Products, Yolbulan Iron Products and Yolbulan Shipment in addition to Kardemir. 

Turkey's ?? Bank has ruled of accusations in a recent indictment that its senior managers were involved in fraud and tax evasion in Petrol Ofisi, the Austrian OMV's oil retailer which was owned by Do?an Holding in the past. 

Turkcell tested its new 4.5G Internet speed of 925 Mbps during the Turkcell Technology Summit in Istanbul with success on March 9, with the participation of Turkcell Vice President ?lker Kuruöz. 

Foreign investors made $100 million worth of net purchase on Borsa Istanbul, Turkey's stock exchange, in January following a selling spree of $2.5 billion in November and December 2015, according to data gathered by Anadolu Agency.

TAV Airports CEO Sani ?ener said the company has offered services to 96 million passengers last year and foresees closing this year at over 100 million passengers served. 

The European Bank for Reconstruction and Development (EBRD) and the International Finance Corporation (IFC) are acquiring minority stakes in Fibabanka, a fast-growing Turkish bank.

A Russian warplane violated Turkish airspace on Oct. 4, a Turkish foreign ministry official said, the second such breach over the past three days, prompting Ankara to once again summon Moscow's ambassador. 

Turkish Airlines increased its net profits by 66 percent in the second quarter of the year from the same period of 2014, to 662 million Turkish Liras. 

The company's net profits thus increased to 1.04 billion liras in the first half of the year. 

Turkish energy giant Tüpra? has been named the country's exports champion in 2014, while partnering foreign carmakers dominated the top 10 list of leading exporters, according to a survey by the Turkish Exporters' Assembly (T?M).

The company exported $3.7 billion worth of petroleum products last year, down from $4.1 billion in 2013 and $5.42 billion in 2012.