Gold prices hovered near two-month lows on Thursday as markets remained on edge over raising the U.S. debt limit, while copper prices fell further amid concerns over slowing economic growth and a weak outlook for demand. Bullion prices stayed within a tight trading range- $1,950- $1,980 an ounce- seen over the past week, after the yellow metal slumped below the closely-watched $2,000 level. Focus remained chiefly on negotiations among lawmakers over raising the U.S. spending limit, although neither Democrat nor Republican negotiators offered any cues on when a deal could be reached. This also comes ahead of a June 1 ... (full story)