Gold and silver futures prices ended the U.S. day session solidly lower Thursday, with both markets hitting four-month lows. A rallying U.S. dollar index and upbeat U.S. economic data this week continue to produce selling in the precious metals markets. December Comex gold was last down $13.90 an ounce at $1,254.70. December Comex silver was last down $0.032 at $17.375 an ounce.
