By Gokhan Ergocun
ISTANBUL (AA) - Turkey's benchmark stock index rose by 0.67 percent or 664.53 points to open at 99,990.45 points on Tuesday.
On Monday, Borsa Istanbul's BIST 100 index dropped by 0.51 percent to close the day at 99,325.92 points with a daily trading volume of 8.87 billion Turkish liras ($1.57 billion)
The U.S. dollar/Turkish lira exchange rate dropped over 2 percent to 5.4850 as of 9.30 a.m. local time (0630GMT), compared to Monday's closing rate of 5.6060.
The euro/Turkish lira exchange rate also fell by 2 percent to 6.2260, versus 6.3570 at the previous close.
One British pound traded for 7.2670 Turkish liras, as the GBP/TRY exchange rate was 7.4350 at market close on Monday.
The price of Brent oil was around $66.95 per barrel as of 10.00 a.m. local time (0700GMT) Tuesday.