Istanbul's BIST 100 hit new historic high of 107,608.63 points with a 191.11-point or 0.18-percent rise on Thursday morning.
Stocks in the banking and holding sectors rose by 0.21 and 0.16 percent, respectively.
Among all sectors, the mining index was the best performer with a 0.66 percent rise, while the wholesale and retail trade sector index started the day with the biggest decline, falling by 0.29 percent.
On Wednesday's close, the BIST 100 hit the highest close by rising 1.61 percent to reach 107,417.52 points. The day saw a total trading volume of 5.8 billion Turkish liras ($1.65 billion).
The U.S. dollar/Turkish lira exchange rate rose to 3.5280 at 9.30 a.m. local time (0630GMT) on Thursday, compared with 3.5180 at Wednesday's close.
