(Kitco News) – Gold prices saw another volatile week as persistent Middle East uncertainty offered only limited safe-haven support, while stronger U.S. labor data, rising Treasury yields, and renewed Fed rate-hike concerns drove the yellow metal sharply lower on Friday.Spot gold kicked off the week trading at $4,539.42 per ounce on Sunday evening, and the yellow metal briefly pushed higher as traders reacted to fresh uncertainty around Iran and the Strait of Hormuz. But the rally quickly stalled