MADRID (MarketWatch) -- Gold futures continued to lose ground in European trading on Monday amid a stronger dollar, with the metal for December delivery GC1Z -0.72% off $20.50 to $1,839 an ounce. Gold fell in step with other commodities and stock markets as investors fretted about Europe's sovereign debt concerns. Silver for December delivery SI1Z -1.48% fell 62 cents to $41.01 an ounce, while December copper HG1Z -1.87% slipped 8 cents to $3.93 a pound. October platinum PL1V -1.25% fell $29.90 to $1,807.60 an ounce.