(Kitco NewsWire) – Spot gold prices were lower and spot silver prices were modestly higher in early U.S. trading Friday, as investors assessed the latest U.S. employment figures following Thursday's sharp equity-market selloff and renewed tensions involving Iran and the Strait of Hormuz. The U.S. economy added substantially more jobs than expected in October, reinforcing the case for another Federal Reserve interest rate increase in December and driving Treasury yields and the dollar higher immediately afte ...