By Jim Wyckoff of Kitco News Comex gold futures prices are modestly higher in cautious early U.S. trading Friday. The market place is tentative ahead of this weekend’s potentially pivotal Greek elections. August gold last traded up $4.10 at $1,623.70 an ounce. Spot gold was last quoted down $0.50 an ounce at $1,623.25. July...


