ISTANBUL: The Turkish benchmark stock index opened Tuesday at 9,645.01 points, down by 0.36% or 34.79 points versus the previous close. At the previous close, the BIST 100 index fell by 1.37% to 9,679.80 points with a daily transaction volume of 111 billion Turkish liras ($3.42 billion). The US dollar/Turkish lira (USD/TRY) exchange rate was 32.4495 as of 10.05 a.m. (0705GMT), the EUR/TRY rate stood at 34.4520, while the GBP/TRY rate was 40.3655. The price of one ounce of gold was $2,373.80, and the barrel price of Brent oil was around $90.75. Source: Anadolu Agency