Gold, silver stumble as USDX, U.S. bond yields rise Gold and silver prices are lower in midday U.S. trading Tuesday, once again pressured by a higher-valued U.S. dollar on the foreign exchange market and by rising U.S. Treasury yields that see the benchmark 10-year note yield above 4.0%. December gold was last down $7.80 at $1,656.20 and December silver was down $0.124 at $18.595. Global stock markets were mostly firmer overnight. U.S. stock indexes are higher at midday. Risk appetite…