(Kitco NewsWire) - Spot gold prices are weaker and spot silver prices are also lower in early U.S. trading Thursday, as another hot inflation print kept the Fed-rate channel in control while the U.S.-Iran conflict continued to support the oil-risk premium. At the time of writing, spot gold was trading near $4,063.50 an ounce, down 0.19%, while spot silver was trading at $63.235, down 0.30% on the session.U.S. producer prices rose 1.1% in May and 6.5% from a year earlier, the largest annual incre