Gold, silver and platinum up in Asia

Spot gold breached above the key $1,400 level for the first time in a week, riding on dollar weakness and buoyed by buying interest from China, but trading volumes remained thin ahead of the year end. Spot gold rose to a one-week high of $1,405.85 an ounce, before easing to $1,403.66 by 0707 GMT, up 0.8 percent from the previous close. US gold futures gained half a percent to $1,404.7 an ounce.
Spot silver gained for a second straight session to a one-week high of $29.88. Platinum also rose to a one-week high of $1,707.25, before easing to $1,703.99.