By Virginia M. Harrison
SYDNEY(MarketWatch) -- Gold futures edged up in electronic trading Friday, while other metals declined amid a stronger dollar. Gold for August delivery rose $1.80, or 0.1%, to $1,532.40 an ounce on the Comex division of the New York Mercantile Exchange during Asian trading hours. The metal is on track to post gains of 5% for the week. Across the broader metals complex, silver futures led the decline, with the contract for September delivery falling 11 cents, or 0.3%, to $34.42 an ounce.
