After starting the day at 1,350.31 points, Borsa Istanbul's BIST 100 index earned 17.34 points over Thursday's close of 1,353.36  points.

During the day, the index hovered between 1,342.58 and 1,371.00 points.

The total market value of the BIST 100 was around one trillion Turkish liras ($129 billion) by market close, with a daily trading volume of 30.6 billion Turkish liras ($3.91 billion).

On the last transaction day of the week, 34 stocks on the index rose, 62 fell and four were flat compared to Thursday.

The highest trading volumes were posted by glass manufacturer Sisecam, private lender Garanti BBVA, and petrochemical company Petkim.

Tractor producer Tumosan was the best performer, with its shares up 10.0%, while stocks of Selcuk Ecza Deposu, a pharmaceutical supplier, dropped the most, losing 6.52%.

The price of one ounce of gold was $1,834.50 by market close, up from $1,819.00 at the previous close, according to data from Borsa Istanbul's Precious Metals and Diamond Markets.

The price of Brent crude oil was around $50.2 per barrel as of 6.10 p.m. local time (1810GMT) on Friday./aa