By Tuba Sahin
Turkey's benchmark stock index closed Monday down 0.17 percent at 89,744.01 points with a total trading volume of around 7.5 billion Turkish liras ($1.5 billion).
Borsa Istanbul's BIST 100 index ended the day with a 153.65-point decrease from Friday's close at 89,897.67 points, while it started the week at 90,683.46 points.
The benchmark index hovered between 89,165.56 points and 91,044.33 points, while 51 stocks on the index were on the rise, 41 on the decline, and eight flat compared to the previous close.
The total market value of listed shares on the BIST 100 was 594.58 billion liras ($122.8 billion) at the close. The BIST banking sector index fell 2.93 percent while holding sector rose 0.75 percent.
Among all sectors, the transportation sector index rose the most, up 2.68 percent, and the mining sector index performed the worst, declining 3.56 percent.
The shares of energy and construction company Isiklar Enerji Yapi Holding (IEYHO) showed the best performance on Monday -- up 7.69 percent -- while stocks of private lender Yapi Kredi (YKBNK) suffered the most, dropping 5 percent.
The BIST 100's most traded listed companies were national flag carrier Turkish Airlines, private lender Garanti, defense company Aselsan, iron/steel producer Kardemir, and another lender Akbank.
On Monday, the USD/TRY exchange rate was 4.8390 as of 5 p.m. local time (1400GMT), slightly up from last week's close at 4.8330.
The euro/lira exchange rate stood at 5.6720 by market close, versus 5.6310 at Friday's close, and one British pound traded for 6.4290 Turkish liras, while the GBP/TRY rate was 6.3710 at the previous close.
As of 6.20 p.m. local time (1520GMT), the price of Brent oil stood at $72.60 per barrel -- hovering between $72.75 and $75.37 during the day.