By Barbara Kollmeyer
MADRID (MarketWatch) -- Gold and silver fell in Asian and European trading hours on Friday, as the dollar stretched a winning run to 10 sessions, as investors becoming risk averse in the wake of news of a surprise trading loss at J.P. Morgan Chase & Co. JPM +0.25% . The investment bank said late Thursday that it suffered a $2 billion derivatives trading loss. Dollar-denominated commodities such as gold often get hit as the dollar rises. U.S. and European stock futures were trading lower. Gold for June delivery fell $11.80, or 0.8%, to $1,583.60 an ounce, while silver for July delivery SIN2 -2.08% fell 42 cents, or 1.4% to $28.76 an ounce. July copper HGN2 -1.40% fell 3 cents, or 0.5%, to $3.66 a pound. Platinum for July delivery PLN2 -1.41% fell $17.10, or 1.1%, to $1,476.70 an ounce. Palladium for June PAM2 -2.24% dropped $5.10, or 0.8%, to $610.25 an ounce.