BUZZ-Gold companies: Metal prices fall on U.S. rate hike worries
** Gold companies' stocks down 4-6 pct on lower metal prices
** Gold prices extended last week's slide as indications U.S. Fed may still raise rates this year, despite recent market turmoil, offset a retreat in the dollar
** Spot gold fell 0.5 pct to $1,129.01 per ounce by 10:15 ET
** Shares of Barrick Gold Corp, the world's largest gold producer, fell 6.2 pct to $6.70, Coeur Mining Inc 6 pct to $3.24
** Shares of AngloGold Ashanti fell 5 pct to $7.71, Pretium Resources 4.4 pct to $5.19
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