The FTSE 100 Index decreased 76 points or 0.70 percent on Thursday to close at 10757 points. The decline was led by Antofagasta (-6.78%), Fresnillo (-5.07%) and Rio Tinto (-4.72%). On the upside, the strongest performers were Lion Finance Group (2.67%), British American Tobacco (2.25%) and Persimmon (2.01%).