The Borsa Istanbul (BIST 100) index was down at the opening of the morning session on Wednesday The benchmark BIST-100 index decreased 995.99 points compared to the closing session on Tuesday and opened at 64,523.88. Stocks lost 1.52 percent in value. Foreign Exchange Rates The buying and selling rates of the USD, Euro and British Pound in Istanbul and Ankara at 9:30 a.m. on Wednesday are as follows (in TL) ISTANBUL     Buying     Selling USD     2.0440     2.0560 Euro     2.7390     2.7510 British Pound     3.1400     3.2200           ANKARA            USD     2.0440     2.0590 Euro     2.7330     2.7530 British Pound     3.1540     3.2050