Gold prices hit $2,000 an ounce for the first time on Tuesday, the latest surge in a commodity seen as a refuge amid economic uncertainty. The precious metal hit the symbolically important benchmark near 1615 GMT before retreating somewhat then crossing the line again about 30 minutes later. Spot gold prices rose $18.5543, or 0.94 per cent, to $1,995.25 an ounce. Earlier, spot gold was bid at $2,000.11 an ounce ...