** U.S.-listed shares of gold miners up premarket, tracking rise in bullion prices GOL/
** Spot gold XAU= up 0.4% at $3,367.89/ounce, after hitting its highest level since June 23 earlier in the session
** Gold prices rose to a three-week high, boosted by safe-haven demand after U.S. President Donald Trump threatened tariffs on the European Union and Mexico
** Top miners Newmont NEM.N and Barrick Mining ABX.TO, B.N each up marginally
** South African miners Gold Fields GFI.N and Harmony Gold HMY.N each rise ~1%, AngloGold Ashanti AU.N up 1.8% and Sibanye Stillwater SBSW.N rises 3.9%
** Canadian miners Agnico Eagle Mines AEM.TO, AEM.N up marginally and Kinross Gold K.TO, KGC.N up 1%