Turkey's benchmark index started the day with a 282.56-point increase to open at 99,150.46 points, hitting its all-time high on Monday.
On the first transaction day of the week, the BIST 100 index rose 0.29 percent.
The banking and holding sector indices advanced 0.32 percent and 0.28 percent, respectively.
Among all sectors, the sports index was the best performer with a 1.30-percent rise, while the food and beverage sector index started the day with the biggest decline, falling by 0.07 percent.
At the close on Friday, the BIST 100 was up 1,502.11 points or 1.54 percent to reach 98,867.90 points with a total trading volume of 4.6 billion Turkish liras (approximately $1.31 billion).
The U.S. dollar/Turkish lira exchange rate fell to 3.5060 at 9.30 a.m. local time (0630GMT) Monday, compared with 3.5150 at Friday’s close.
Meanwhile, consumer prices in Turkey increased by 0.45 percent in May, the Turkish Statistical Instituted announced on Monday.