By Gokhan Ergocun
ISTANBUL (AA) - Turkey's benchmark stock index dropped by 1.65 percent to close at 87,399.02 points on Thursday.
Borsa Istanbul's BIST 100 index started the day at 88,375.86 points and lost 1,465.99 points from Wednesday's close of 88,865.01 points.
The U.S. dollar/Turkish lira exchange rate was 5.5040 at close, up from Wednesday's close of 5.3830.
The euro/lira rate increased at close; 6.2500 versus 6.1220 at the previous close.
One British pound traded for 6.9250 Turkish liras, while the GBP/TRY rate was 6.7990 at close on Wednesday.
In Borsa Istanbul's Precious Metals and Diamond Markets, the price of one ounce of gold was around $1,287.45 by market close, down from $1,288.40 the previous day.
The price of Brent crude oil stood at around $55.20 per barrel as of 6 p.m. (1500GMT) Thursday, versus $55.32 at previous close.