Gold granules are pictured at the Austrian Gold and Silver Separating Plant 'Oegussa' in Vienna August 26, 2011. Gold prices surrendered earlier gains to turn lower in choppy trade on Friday after Federal Reserve chief Ben Bernanke offered no firm stimulus plan for the U.S. economy in a hotly-anticipated speech in Jackson Hole, Wyoming. REUTERS/Lisi Niesner (AUSTRIA - Tags: BUSINESS)