Gold firmed a touch and silver rose more than 2 percent on Wednesday, as concerns about China's high inflation and waning economic growth are seen buoying interest in precious metals. Spot gold rose by half a percent to $1,522.96 an ounce by 0615 GMT, building on gains in the past three sessions.
US gold edged up 0.4 percent to $1,523.10. Spot silver rose as much as 2.3 percent to $39.34, before easing to $39.19, on course for a fourth straight session of gains. COMEX silver gained nearly 2 percent to $39.22.