Gold, silver down as USDX rallies, U.S. Treasury yields up-tick

Gold, silver down as USDX rallies, U.S. Treasury yields up-tick: Gold, silver down as USDX rallies, U.S. Treasury yields up-tick Gold and silver prices are solidly lower in midday U.S. trading Tuesday, as a strong U.S. dollar index and rising U.S. Treasury yields h...