World Bulletin / News Desk
The banking and holding sector indices were down 1.03 percent and 0.99 percent, respectively.
All sector indices started the day with losses, while the mining sector index saw the biggest decline, falling 1.62 percent.
Turkey's benchmark stock index closed Thursday down 1.13 percent at 114,263.53 points with a 5.9 billion Turkish lira ($1.55 billion) trade volume.
The USD/Turkish lira climbed to 3.8200 at 9.45 a.m. local time (0645GMT) on Friday, compared with the previous day's closing rate of 3.8060.
The euro/lira rate went up to 4.6830 from Thursday's close of 4.6770.
Brent oil dropped to $64.42 per barrel at 09.45 a.m. local time (0706GMT) compared with $64.81 at Thursday's close.
Amazon on course to join Apple as world’s only companies worth over $1 trillion
The "informed source" in Iran's oil ministry did not give details of the discount, but sought to downplay the move as common industry practice.
Finance Minister Siluanov terms US dollar a 'risky tool' for payments in international trade
3 banks' net profits stand at $1.95 billion in first 6 months of 2018
Two discuss 'issues on common agenda' of Turkey and Iran
BIST 100 index down 1.35 pct at open with 1,300-point drop from Wednesday's close
BIST 100 climbs 0.17 pct, while Turkish lira gains value against foreign currencies
Banks' reserve requirement limit is lowered by Central Bank
BIST 100 index goes down 0.33 pct, falling over 300 points from previous close
Agency will be formed with partnership from BRICS countries who often face sanctions from West, banker says
Industry minister says new project-based incentive system to contribute in reducing current account deficit by $1.2B
Food and Agriculture Organization food price index falls 3.7 pct in July month-on-month
Yearly increase in consumer prices at 15.85 percent in July, up from 15.39 percent in June, according to official data