The banking and holding sector indices lost 0.43 percent and 0.28 percent, respectively.

Among all sector indices, real estate investment trusts sector index was the best performer -- gaining 0.26 percent. Telecommunication sector index has seen the biggest fall -- down by 0.44 percent.

Turkey's exports up by 14.8 percent to reach $12.9B year-on-year in February, the Turkish Exporters Assembly announced Thursday.

The U.S. dollar/Turkish lira exchange rate slightly went up to 3.8060 as of 9.30 a.m. local time (0630GMT), compared with Wednesday's closing rate of 3.8010.

The euro/lira rate fell to 4.6450 on Thursday morning, compared with 4.6460 at the previous day's close.

The price of Brent oil was $64.66 per barrel as of 09.45 a.m. local time (0645GMT) Thursday, versus $65.19 at close on Wednesday.