The main share index .XU100, which had opened higher, was down 0.61 percent at 60,994 points after the data, which showed the trade deficit surged 89.4 percent year-on-year in January to $7.312 billion.Figures for January of 2011 show that exports increased by 22.1 percent compared to the same month last year, reaching 9.561 billion dollars. Imports saw a 4.3 percent increase totaling at 16.873 billion dollars. The lira IYIX= weakened to 1.6000 against the dollar from a closing price of 1.5930 on Friday and the yield on the benchmark Nov 7, 2012 bond <0#TRTSYSUM=IS> rose to 8.65 from 8.61 percent.